Scott

Hi Everyone, I have to deliver a presentation on euthanasia, which requires a creative aspect that may involve the class as well. (My position is against euthanasia by the way). I was thinking that I could have a game or bring something in that could act...

19 years ago

I really need help with my science lab. I was sick when we did the lab on Thursday and Friday was a snowday so I did not get to get the observations off my peers. My teacher has allowed people one more day and I do not understand this Lab at all. If someo...

18 years ago

7x/16-x/16 When you have the same denominators (numbers on the bottom), you can just subtract the numerators (#s on the top) So 7x-x = 6x So the answer is 6x/16 Matt x-5+(-6)-6=0 x-5+(-6)-6=0 wa zup i think she is right i mean she is right

18 years ago

yeah i have seen that but it doesnt label the borders so i don't know what they are or the river names and stuff like that i have been looking all over the web to finish a wrting i am doing about the roman empire and i need to know what the boundaries wer...

18 years ago

How do I figure out the height of a triangle? The height of a triangle is defined as the perpendicular distance from an angle to a side. Now, since this is a right triangle, and depending on how it is situated, the height could be 10" or 12" if you observ...

18 years ago

Ok I'm trying to find the radius of a circle with the given measurement. 4/5C=17 C stands for Circumference. Solve for C (multiply both sides by 5/4) Then, solve for radius R= C/2PI

18 years ago

I'm trying to get a handle on what square roots are (I think that's what they are called). Here is an example. 4(almost like a division sign but it is more like a check mark)3. I don't understand what it is, its a square root? and How do I deal with these...

18 years ago

Hey thanks, stupid negative..... Ok now I'm trying to figure out the distance formula. the coordinates are (-1,3) and (2,5) So I take (5-3)^2 + (2-1)^2 and get 2^2 + 1^2. so 4 + 1 is 5. so the square root of 5 is the answer? your second subtraction is wro...

18 years ago

Find all positive values for k for which each of the following can be factored. X^2-x-k Using the quadratic equation, x= 1/2 +-1/2* sqrt (1+4k) Now, the sqrt has to be of a positive number, so 1+4k>0 so any value of k>-1/4 should work.

18 years ago

Find all positive values for k for which each of the following can be factored. X^2-x-k (Your answer seems to be the same as the other problem x^2+x-k ) Is this correct too? Consider your equation to be in the form ax^2 + bx = c = 0. It can be factored (t...

18 years ago

Simplify 1/r=1/x+1/y Multiply both sides by rxy. Then simplify. I will be happy to check your work. That is as compact and simple as the relationship can be written. Are you looking for an explicit formula for x, y or r?

18 years ago

Simplify r=1/(1/x+1/y) multiply the right side by xy/xy

18 years ago

Simplify rt= 1/[(1/r1)+ (1/r2)] That looks like the formula for the "total" resistance, rt, of two resistors in parallel, r1 and r2. The t, 1 and 2 are subscripts. It cannot be made much simpler than that, but it can be rewritten 1/rt = 1/r1 + 1/r2 which...

18 years ago

You buy a square lot that is 154 yd on each side. What is its size in acres?

17 years ago

Complete the statement. (Round to the nearest hundredth.) 2.1 kg = ________ oz

17 years ago

If a cart and rider are pulled with a constant force of 74.0 N, and the friction force is 29.0 N, how fast will the cart and rider be traveling after 8.70 seconds? Thanks a lot!

18 years ago

What was the system of economy for the Plateau, Northeast Woodland and Southeast Woodland Indians? Thank you

18 years ago

What kind of contribution to society did the Plateau (California Inter-Mountain), Northeast Woodland and Southeast Woodland Indians make to history? Thank you!

18 years ago

What specific items were used by the Plateau, Northeast Woodland and Southeast Woodland Indians to barter with? My book doesn't give that information to me. I was told by my teacher to look online, but I have searched everywhere, and can't find the answer...

18 years ago

Were there specific historic contributions that were unique to each of the follindian Native American Indian tribes? Plateau, Northeast Woodland and Southeast Woodland Indians My textbook doesn't give that information to me. I was told by my teacher to lo...

18 years ago

Our task was to read the Enuma Elish and answer the following questions: Where does evil come from in this myth, and how is it symbolized? Is the defeat of evil final and total? Does evil have any good qualities?

18 years ago

Mardiuk shoots Tiamat through the heart in the enuma elish. What is the symbolisim of shooting Tiamat through the heart with evil?

18 years ago

I want to know why the rain is cold.

17 years ago

In the winter are you letting the cold air in or the warm air out when you open the door

17 years ago

How do I mutliply the following; (4x2+3x-3)(4x2+3x-3)

17 years ago

How do you calculate the heat generated from dropping a metal ball from heights?

17 years ago

Differentiate y=x(x4+5)3 d/dx = [x(x4+5)3] d/dx = [f(x)g(x)] = f(x)g’(x)+g(x)f’(x) d/dx = [x(x4+5)3] = x • d/dx (x4+5)3 + (x4+5)3 • d/dx x g’(x) = d/dx (x4+5)3 = 3(x4+5)2 • 4x f’(x) = d/dx (x) = 1 = (x) • 3(x4+5)2 • 4x + (x4+5)3 • 1 (factor out the common...

17 years ago

Please help me solve the following. Thanks, Write m^p = q using logarithms. Solve (1/e)^2x = 14

17 years ago

Please explain how it is (ln 4) ¡Ò^8 2 x^-1 dx= (ln 8) ¨C (ln 2) =(ln 4)

17 years ago

Find the are under the given curve y=square root of x + 1 from x=0 to x=9 Please walk me through each step.

17 years ago

Bill Moore is buying a van. His April Monthly intrest at 12% was $125.00 What was Bills principal balance at the beginning of April Uese 360 days

17 years ago

On Sept 14 Jennifer Rick went to park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on Janauary 27th Assume the loan is on ordinary intrest. What intrest will Jennifer owe on January 27th What is the total amount Jennifer must...

17 years ago

Carol Miller went to Europe and forgot to pay her 740 mortgage payment on her New Hampshire ski house. For her 59 days overdue on her payment, the bank charged her a penality of 15 dollars. What was the rate of intrest charged by the bank? Round to the ne...

17 years ago

ON September 14th Jennifer Rick went to a park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on January 27th Assume the loan is on the ordinary intrest. What intrest will Jennifer own on Jan 27th What is the total amount Jenni...

17 years ago

Shawn Bixby borrowed 17000.00 on a 120-day, 12% note. After 65 days, Shawn paid 2000.00 on the note. On day 89, Shawn paid an additional 4000.00. What is the final balance due? Determine total intrest and ending balance due by the U.S. Rule. Use ordinary...

17 years ago

Abe Wolf bought a new kitchen set at sears. Abe paid off the loan after 60 days with an intrest change of 9 dollars. If sears charges 10% interest, what did Abe pay for the Kitchen set Assume 360 days

17 years ago

Bernie borrowed 8,000.00 for 180 days from lion bank. The bank discounted the note at 5% A) what proceeds does Bernie Receive? B) Calculate the effective rate to the nearest hundredth percent.

17 years ago

Jack signed a 9000.00 note at fleet bank. Fleet chared a 9 1/4% discount rate. If the loan is for 200 days, find A) the proceeds and B) the effective rate charged b the bank. (to the nearest tenth percent

17 years ago

The September 2003 issue of money stated that intrest rates have climbed to 5.99% Nancy Martin, owner of Martins Textile Manfacturing, supplied Dolan Limited with clothing worth 7353.00 The terms of sale were 180 days and 5.4% intrest. Dolan Limited took...

17 years ago

On september 5, sheffield company discounted at Sunshine bank a 9000.00 (Maturity Value), 120-day note dated June 5, Shunshine's discount rate was 9% What proceeds did sheffield company receive

17 years ago

Annika Scholten bought a 10000.00,13-week Treasury bill at 5%. What is her effective rate? Round to the nearest hundredth percent

17 years ago

On September 5th, Sheffield Company discounted at Sunshine Bank a 9000.00 (maturity value), 120-day note dated June 5th. Sunshine's discount rate was 9%. What proceeds did sheffield company receive. We are using 360 day and NOT 365

17 years ago

Annika Scholten bought a 10,000.00, 13-week treasury bill at 5%. What is her effective rate? Round to the nearest hundredth percent. use 360 days and not 365

17 years ago

Ron Prentice bought a goods from Shelly Katz. On May 8, Shelly gave Ron a time extension on his bill by accepting a 3000.00, 8%, 180-day note. On August 16, Shelly discounted the note at Roseville Bank at 9%. What proceeds does Shelly Receive? Please use...

17 years ago

Rex corporation accepted a 5000.00, 8%, 120-day dated August 8 from Regis company in settlement of a past bill. On October 11, Rex discounted the note at Park Bank at 9%. What are the notes Maturity value, Discount Period, and bank discount? What proceeds...

17 years ago

On May 12, Scott Rinse accepted an 8000.00, 12%, 90-day note for a time extension of a bill for goods bought by Ron Prentice. On June 12, Scott discounted the note at Able Bank at 10%. What proceeds will Hafers Receive? Please use 360 and not 365

17 years ago

Hafers, an electrical supply company, sold 4800.00 of equipment to Jim Coates Wing, INC Coates signed a promissory note May 12 with 4.5% intrest. The due date was August 10. Short of funds, Hafers contacted Charter One Bank on July 20th the bank agreed to...

17 years ago

Throughout the Dark Ages Christians believed in a geocentric universe and such was taught as official Church doctrine, as seen in Dante's works, yet this view had come from a Greek (a pagan) who lived a long time ago. Name the Greek.

17 years ago

In what way is each of the following a marketing activity? a. The provision of sufficient parking space for customers at a suburban shopping mall b. The purchase by clothing store of seven dozen sweaters in assorted sizes and colors c. The inclusion of a...

17 years ago

I am trying to prove that the second half of two part names determines the gender of the whole name in a Romance language. I have 30 second parts used only by males in my population and 5 only by females, with one used by both. It seems that I could rejec...

17 years ago

What volume (mL) of the solvent benzene should be added to 142 mL of the solute CH3CN to generate a solution that is 2.68% by mass CH3CN?

17 years ago

A solution of hexane in the solvent (CH3)2CO has a mole fraction of CH3(CH2)4CH3 of 0.114. What mass (g) of the solution must be taken if 1690 g of hexane is needed? Molar Mass (g/mol) CH3(CH2)4CH3 100.21 (CH3)2CO 58.05 Density (kg/L): CH3(CH2)4CH3 0.6838...

17 years ago

A 4.86 kg sample of a solution of the solute chloroform in the solvent (C2H5)2O that has a concentration of 1.91 pph by mass chloroform is available. Calculate the amount (g) of CHCl3 that is present in the sample. Molar Mass (g/mol) CHCl3 119.38 (C2H5)2O...

17 years ago

What mass (g) of the solute C3H8O3 should be mixed with 8270 mL of the solvent H2O to produce a solution that is 1.02 m glycerol. Molar Mass (g/mol) C3H8O3 92.09 H2O 18.015 Density (kg/L): C3H8O3 1.261 H2O 0.9982 Name/Formula: glycerol C3H8O3 water H2O

17 years ago

Create a political campaign ad (a poster, a flier, etc.) for two political parties: one party that supports traditional moral and political philosophies and another party that supports modern moral and political philosophies (modern vs. traditional unders...

16 years ago

What do you grease to prevent friction

16 years ago

Is there a reaction between Na2SO4 with Ch2Cl2? We did a caffeine extraction from tea bags and we are asked why the Na2So4 was added (to remove water I learned) and if a reaction took place. Can someone help? Thanks!

16 years ago

Can anyone show me the reaction of sodium carbonate with water to produce bicarbonate and hydroxide as sodium carbonate dissolves? And if any, what is the reaction of tannins and caffeine with this solution? Thanks loads!

16 years ago

Is anyone familar with the equilibrium reactions that convert the ketone group of fructose into an aldehyde group so fructose give a positive Fehling's Test? I know it will as we received so in class but not sure how the reaction takes place.

16 years ago

What are the structures of the products of a complete acid hydrolysis of glycerophospholipid where the alcohol is ethanolamine, HOCH2CH2NH2 and the fatty acid is stearic acid. Can anyone help on this one? Confused here...

16 years ago

How can I separate glucose and a triacylglycreol mixture? Thanks for any help ,,,,

16 years ago

How would you purify biphenyl contaminated with fluorene? What method and solvent would you use?

16 years ago

How would you purify Fluorene contaminated with ethyl-4-aminobenzoate? What method and solvent you would use? Please help...

16 years ago

Q: Each of the solvent given should effectively separate one of the following mixtures by thin-layer chromatography. Match the appropriate solvent with the mixture that you would expect to separate well with that solvent. Select your solvent from the foll...

16 years ago

Q1. What enzyme could you use to break down the major chemical in the cell wall? A: EDTA but it's not an enzyme Q2. What chemical would you use to break down the major chemical in the cell membrane? A: something like lipases? Please help!!

16 years ago

How do i show that (a-b)^2(a+b)+ab(a+b)=a^3+b^3 I have come up with the last part ab(a+b)=a^2+b^2, but how do i work out the 1st part??

16 years ago

Use the substitution method to find solution sets (x,y) for the following systems of equations: 3x-5y=-11 6x+2y=26

16 years ago

Hallo. Mein Deutsch ist nicht so gut. Es gibt Fehler in diesem Absatz? Bitte, hilf mir das beseitigen: Heute ist es ein idealer Tag zu einem Naturausflug im Wald machen. Das Wetter ist sehr schön und angenehm. Der Himmel ist wolkenlos. Wir wandern unter d...

16 years ago

How much oxygen is required to completely react with 10 g of C4H10?

16 years ago

a tennis ball is dropped from 1.30 meters above the ground. it rebounds to a height of 1.00 meters. How do I find with what velocity does the ball hit the ground. With what velocity does it leave the ground, and if the tennis ball were in contact with the...

16 years ago

Two people push on a crate. Person 1 pushes in the positive X direction with a force of 25N. The second person pushes in the negative X direction at an angle of 15 degrees below the horizontal with a magnitude of 18.5N the box moves with uniform velocity....

15 years ago

I know the answer but how do i get my starting line ? Vancover recivers 3 times the amount of snow as toyko does together they recive 80 cm i can see that vancover will be 60 cm and toyko 20 cm but i do not know how to do it weird eh ?

15 years ago

A LARGE PIZZA COSTS $8.95,PLUS 0.65 FOR EACH ADDITIONAL TOPPING.REMI PAID $10.90 FOR A LARGE PIZZA.HOW MAY ADDITIONAL TOPPING DID HE GET?

15 years ago

Janet got 671.50 in cash as the proceeds form a loan of $680. The discount rate was 10% simple interest. Find the discount period. I got 118.5 months but am not sure if I did it correctly.

15 years ago

Suppose f(x)=2x^2-x^3 and g(x)= sin(pix/2). a) What is the exact value of the integration from 0 to 2[f(x)-g(x). Find numerical approximation of this value. What does the value of this integral tell you about the areas of the regions beteen the two graph

15 years ago

What is the prime factorization of a number?

15 years ago

Why must we find a common denominator when add/subtract fractions?

15 years ago

How do I simplify this? cos4xcos3x-sin4xcos3x I pulled the cos3x out as a common factor but that doesn't really help. Can someone please direct me on this. Thanks!

15 years ago

You need 1/2 cup of sugar to make a three-layer cake. How much sugar would you need for a one-layer cake

15 years ago

Select all cases in which the attraction between units in the solid can best be classified as electrostatic bonding forces. CsBrO3 N2O3 Cr(OH)2 Ca3(AsO4)2 Rn Ar None

15 years ago

Use the elimination method to solve each system. How do you do this? {u+4y=11 7u+3v=2

15 years ago

A 72.9 kg man is standing on a frictionless ice surface when he throws a 1.6 kg book at 11 m/s.

15 years ago

Find the ordered pair using the elimination method. 4x+5y=3 8x+10y=6

15 years ago

Use factoring to solve each equation. (x+6)(x+5)=2

15 years ago

120 Are the last two digits divisible by 4 Are the last three digits divisble by 8 Are the sum of the digits divisible by 9 1048 Are the last three digits divisible by 8

15 years ago

the acceleration is 0.31 m/s2

18 years ago

Were there specific contributions that were unique to each indian tribe? Thank you

18 years ago

Yes, I believe they did. But do you know what items each Native American group bartered with? Thank you!

18 years ago

My book doesn't give that information to me. I was told by my teacher to look online, but I have searched everywhere, and can't find the answer. Thank you so much for your help! I don't know where to look!

18 years ago

ln (8) - ln (2) = ln (4) How is this possible

17 years ago

Shawn Bixby borrowed 17000.00 on a 120 day, 12% note. After 65 days, Shawn paid 2000.00 on the note. On day 89 Shawn paid an additional 4000.00 What is the final balance due? Determine total intrest and ending balance due by the U.S. Rule. Use ordinary in...

17 years ago

This is what the problem says and that is all the information i have from the book

17 years ago

I am not understanding this here still. I have figured out that D=136 and the intrest is = 293.75

17 years ago

I think the answere is 110.99

17 years ago

thanks that is what i got here as well I have another one to post i dotn understand as well

17 years ago

US rule is using 360 days and not 365

17 years ago

I thought that it was 8000 x .05 x .5000 and that would have been 200

17 years ago

well i figured it out here but i don't have the same answere as the back of the book

17 years ago

the back of the book came up with 8937.00 and i came up with 8730.03

17 years ago

that would help

17 years ago

we are using 360 would this still be right the way you fugured it

17 years ago

I thought that 95% was most common. My problem is finding statistical models that do not involve means and other nonpertinent functions.

17 years ago

The answer is Even. 2,4,6,8..... The other would be odd. 3,5,7,9......

17 years ago

Here is the other information.. Molar Mass (g/mol) CH3CN 41.05 C6H6 78.12 Density (kg/m3): CH3CN 785.7 C6H6 878.6 Name/Formula: acetonitrile CH3CN benzene C6H6

17 years ago

thanks but I know that there are three unknowns and three equations. Getting the formulas are the difficult part.

16 years ago

Thanks for the help! It is much clearer to me.

16 years ago

How about unexplicable?

16 years ago

Never seen it myself. Any context here?

16 years ago

I found an interactive model for Lithium when doing a project on Lithium Carbonate etc in class. I was able to incorporate it into a Powerpoint presentation. Somewhere online you may be able to download a file for this. I can hunt down the website that of...

16 years ago

Thanks Dr. For our intents and purposes I don't believe there to be a reaction. Thank you for your awesome help all the same!

16 years ago

I concure with the above. Happy conjunction viewing tonight!

16 years ago

thank you so much Dr. Russ...yes the question assumes the containment comprises only a small percentage of the mixture... p.s.: do u happen to know the answer to my other question as well? under the same assumptions...

16 years ago

I really need help on this question...please help...

16 years ago

m LA = 6xo LA =

16 years ago

m LA = 6xo LA = 180 o

16 years ago

m LB = 7xo + 11o LB = 90 o

16 years ago

How do yo do Arrays and Expanded Algorithum Ex 23 x17 _ _ _ _ _ _ _ _ _ _ _______ _ _ _

15 years ago

This is all the info I got in the question and is probably why I don't really understand what to do with it. Thanks anyway!

15 years ago

To find the answer for b) though, do you have to find the area of the smaller rectangular portion within the region R, and then find the halves of the remaining area of the region? But then how would you work that out to find what b equals? I am confused.

15 years ago

Thanks a lot. I also thought the question was written improperly but I spent a lot of time trying to simplify the darn thing! Thanks for your help.

15 years ago

Ok I think I am even more confused: its 3 feet^2 So is it x^2-2x-9=0

15 years ago

because if I use what you gave me would it be (x-3)(x+1) and then what would i do?

15 years ago

Ok, so i did the problem right, but just was not sure what to do with them. sorry for the confusion...thanks for the help!

15 years ago

Thanks

15 years ago

This has been very helpful!!!!

15 years ago

I do very much appreciate your help. This guides me to where I need to go.

15 years ago

Barometer

15 years ago

Sure, what other questions do you have?

15 years ago

1.) I am guessing an aneroid barometer 2.) mercury barometer

15 years ago

all are true

15 years ago

Thanks a bunch!

15 years ago

well, I know a.) is 39.2 J using the equation for elastic potential energy (Delta U = 1/2kx^2). But I am having trouble figuring out b and c and don't know what equations to use.

14 years ago

For years, people have thought that there might be life on one of the other planets.

14 years ago

3x-8 > 2x-1 You first need to get x on one side of the inequality.To do so, subtract the -8 over to the right side of the inequality. 3x > 2x+7 Next, subtract the 2x. x > 7 Therefore, when you plug a number that is 7 or greater into the original equation,...

14 years ago

So far i got angular velocities at t=2s and t=4s W2 = 3(2)^2-6(2)+4 = 4 rad/s W4 = 3(4)^2-6(4)+4 = 28 rad/s For average angular acceleration i got W2-W1 / T2-T1 = 28-4/4-2 = 12 rad/s^2 But I don't know how to figure out part d and e. Thanks for the help.

14 years ago

My child is doing the same worksheet and I have no idea. What does "it has two ones" mean?

14 years ago

Using the formula of Interest equals principle times interest rate times term or I + P x R x T. Since we do not know the interest rate, using algebra, we get this formula to find out the interest rate: R + I/ P x T. So in your case it would be this: R = $...

14 years ago

I need help writing a paragraph with five details that are good and five about how to well. Using the words well and good. Example: I like how well the examples are used in our text. It makes me feel better knowing that I am doing better in my homework as...

14 years ago

Thanks-I knew the translation-I just wasn't sure which to pick but I figured it out-I know which three of them are wrong, now. Thanks

14 years ago

Thank you-I knew when I relooked-Two verbs were conjugated in each of the other three and only the first one should have been: example hago was conjugated but not escribo-not both at the same time Thanks again

14 years ago

Samuel's bank has dimes and quarters in it. The number of dimes is four less than three times the number of quarters. If the total value of the coins is $7.85, how many dimes are in the piggy bank?

14 years ago

your money = $28 + ($18.25 * each week) the $28 is money that you already have in your bank account, and $18.25 how much it will increase by each week. friend's money = $161 - ($15 * each week) the $161 is money your friend has in his bank account, and $1...

14 years ago

Mr. Bob, I got 0.038119 and it's wrong.

14 years ago

Yes thank you forgot it was talking about diving.

14 years ago

is it C

14 years ago

The answer is zero because the angle between the two vectors is 90. Cos(90)= 0

14 years ago

First, you need to combine like terms. 4x=480 Then, divide each side by 4. 4x/4=480/4 4's on the left side cancel out, leaving: x=120 Adults(3x):360 Students(x):120

14 years ago

just some ideas on what to compare and contrast to get me started

13 years ago

What's a shame is that this question is a graded problem from a college, and that the problem is not a difficult one to solve, and yet there is someone who (rather than working it out!!) has gone looking for someone else to work it out!

13 years ago

is it a rectangle? 8 meters

13 years ago

20 jars per case

13 years ago

30 pigs and 40 chickens

13 years ago

h=(q-10)*.5

13 years ago

It's a right isosceles triangle

13 years ago

How do I measure

13 years ago

Is this the answer?? I know that the triangle formed is both right and isosceles because There will be a 90 degree angle and two 45 degree angles.

13 years ago

the height of a freely falling object is: H = .5g*t^2 + Vo*t + Ho Vo is the initial vertical velocity Ho is the initial height (height of building) the height is 0 when the brick hits the ground in 3.3 sec g is -9.8 m/s^2 H = .5gt^2 + [17 * sin(25º)]t + H...

13 years ago

the potential energy at the top of the leap is equal to the (vertical) kinetic energy at the start m * g * h = .5 * m * [v * sin(45º)]^2 the m's cancel (2 * g * h) / [sin(45º)]^2 = v^2 g = 9.8 m/s^2 145 = v^2

13 years ago

H = .5 g t^2 1.7x10^4 = .5 * 3.3 * t^2 1.03x10^4 = t^2 2) multiply the fall time (t) by the acceleration (3.3 m/s^2) to find the final velocity

13 years ago

stone time (T) plus splash time (t) equals watch time minus reaction time T + t = 3.65 - .25 __ t = 3.4 - T d = .5 * g * T^2 __ g = 9.8 m/s^2 also, d = 340 * t __ d = 340(3.4 - T) 4.9 T^2 = 1156 - 340 T 4.9 T^2 + 340 T - 1156 = 0 use quadratic formula to...

13 years ago

average velocity is __ 40.0 m / 9.40 s or __ 4.26

13 years ago

average velocity is __ 40.0 m / 9.40 s average equals initial plus final, divided by two 40.0 / 9.40 = (i + 2.35) / 2 __ i = 6.16 acceleration equals final minus initial, divided by time a = (2.35 - 6.160 / 9.40

13 years ago

5 * x^3 * 4 * x * y^2 20 x^4 y^2

13 years ago

(0 * 2^0) + (1 * 2^1) + (0 * 2^2) + (1 * 2^3) + (0 * 2^4) + (1 * 2^5) 0 + 2 + 0 + 8 + 0 + 32 = 42 (2 * 12^0) + (1 * 12^1) + (9 * 12^2) 2 + 12 + 1296 = 1310

13 years ago

y / x = tan(-47.5º) y = x * tan(-47.5º)

13 years ago

yes

13 years ago

average velocity equals initial plus final, divided by two Va = (12 + 24) / 2 = 18 m/s distance equals velocity times time d = 18 * 6.5

13 years ago

1,000,000 = 10^6 = 2^6 * 5^6

13 years ago

ignoring the height of contact time up equals time down h = .5 g t^2 = .5 * 9.8 * 2.1^2

13 years ago

time up equals time down (still) initial vertical velocity is __ 1650 * sin(66.1º) flight time is __ 2 * 1650 * sin(66.1º) / 9.8

13 years ago

f = m a __ acceleration is inversely proportional to the mass a = 2.9 m/s^2 * (2.7 / 14.9)

13 years ago

the final velocity of the ball must be zero at the edge of the table (after 1.32 m of travel) the average velocity is initial plus final,divided by two v = (2.1 cm/s + 0 cm/s) / 2 = 1.05 cm/s the time to stop the ball is the distance divided by the veloci...

13 years ago

5.20 m/s * cos(51.5º)

13 years ago

a) [(2.25 m/s * 4.98 min) + (1.58 m/s * 2.18 min)] * 60 s/min b) (answer from a) / (4.98 min + 2.18 min) / (60 s/min)

13 years ago

Ha = -.5 g t^2 + 75 Hm = -.5 g t^2 + 30 t 75 = 30 t __ this is when substitute t into either equation to find where

13 years ago

after 1st stage: final velocity __ Vf1 = 26.4 * 3.92 final height __ Hf1 = .5 * 26.4 * 3.92^2 after 2nd stage: final velocity __ Vf2 = (12.3 * 4.48) + Vf1 final height __ Hf2 = (.5 * 12.3 * 4.48^2) + (Vf1 * 4.48) + Hf1 free-fall time is __ 21.2 s - 3.92 s...

13 years ago

the angular momentum of the system is constant, so the velocity is inversely proportional the the radius of the orbit Va = Vp * (Rp / Ra)

13 years ago

f = m a __ the force (weight) is directly proportional to the acceleration (g) weight = 685 * (9.8 / 12)

13 years ago

0 = (-.5 * g * 5^2) + (10 * 5) + h g is gravitational acceleration

13 years ago

the time to accelerate to takeoff speed is __ 35 / 3.8 the average speed during acceleration is __ (0 + 35) / 2 the distance (length of runway) is speed times time

13 years ago

the vertical component of the velocity (Vv)is __ 20.0 * sin(32.0º) the horizontal component (Vh) is __ 20.0 * cos(32.0º) the time (T) to max height is __ Vv / g a) Hmax = (-.5 g T^2) + (Vv * T) + 1.1 b) at Hmax, the ball has no vertical velocity; only hor...

13 years ago

a) 128 = (5 * 25) + (3 * 1) = (5 * 5^2) + (0 * 5^1) + (3 * 5^0) in base 5 __ 503 b)128 = 2^7 = (1 * 2^7) + (0 * 2^6) + (0 * 2^5) + (0 * 2^4) + (0 * 2^3) + (0 * 2^2) + (0 * 2^1) + (0 * 2^0) in base 2 __ 10000000 c) 128 = (10 * 12) + (8 * 1) = (10 * 12^1) +...

13 years ago

the k.e. is equal to the initial k.e. plus the potential energy from the drop k.e. = (.5 * .100 * 5.00^2) + (.100 * g * 10.0) g is gravitational acceleration

13 years ago

a) vertical __ H = (-.5 * g * 2.00^2) + 20.60 __ g is gravitational acceleration horizontal __ d = 19.0 * 2.00 b) H = 0 when the ball hits the ground 0 = (-.5 * g * t^2) + 20.60 solve for t to find the flight time

13 years ago

horizontal velocity (Vh) is the velocity (V) times the cosine of 20.0º vertical velocity (Vv) is V times the sine of 20.0º or __ Vv = Vh * tan(20.0º) = (104/4.60) * tan(20.0º) = 8.23 when the stone hits the ground, H = 0 0 = (-.5 * g * 4.60^2) + (8.23 * 4...

13 years ago