Andrew
This page lists questions and answers that were posted by visitors named Andrew.
Questions
The following questions were asked by visitors named Andrew.
I have to make a 3-d model of a hurricane. Does anyone have any suggestions for how I can do this? The materials to use, etc? an easy thing to use is cotton balls, pained dark. To get a good picture, use google images, or some other image gallery. the nev...
18 years ago
Hello everyone. I'm new to this board, found it on google when trying to find someplace to have someone look over my paper. I'm in my last year of spanish at high school, but I haven't done much writing in Spanish over the past few years (and I'm not that...
18 years ago
i need to show that the given equation is an identity. using composite argument properties. (cosAcosB-sinAsinb)^2 + (sinAcosB+cosAsinB)^2 = 1 Composite argument properties: cos(A + B) = cosAcosB - sinAsinB sin(A + B) = sinAcosB + cosAsinB Substituting: [c...
18 years ago
I have to write a manuscript on an article. How do I do this. I looked online, and I found this " Each manuscript should contain a separate cover sheet with the manuscript title, the authors’ names, their degrees, affiliations and complete mailing address...
18 years ago
Hello. Just wondering if anyone could look this over for me and make any corrections. It'd be really appreciated. I've never been a good writer in Spanish, and it's this once-a-quarter essay projects that cause me trouble. Thanks in advance for any help!...
18 years ago
Good website on Pat Tillman. Know doing on Pat instead of football. http://en.wikipedia.org/wiki/Pat_Tillman If this is a report for school, here are some suggested topics: The use of illegal drugs in professional sports. The effect of sports finances on...
18 years ago
Ok so I have to use kinematic equations to solve these. But I make like a X and Y chart Ex...X|Vix=2.89 dx=? t=? Y|Viy=0 dy=3.7 and so forth. 1. A cliff diver strikes the water 10.3 meters from a cliff 25 meteres high. At what horizontal speed did he leav...
17 years ago
how would i find the pH of this? 1.0 M NH3 (Kb = 1.8 x 10-5)
17 years ago
Determine the pH of a solution that is prepared by mixing 100.0 mL of 0.125 M NaOH with 145 mL of 0.125 M CH3COOH (pKa = 4.75). Report your answer to 2 decimal places. Please help, I have no clue!!
17 years ago
Calculate the mass in g of aniline (C6H5NH2, Kb = 4.3 x 10-10) that must be added to 1.4 x 102 mL of 0.24 M (C6H5NH3)Cl solution in order to generate a buffer solution of pH 5.56. Give your answer to 2 significant figures. Noclue...
17 years ago
Can someone tell me why N2^2+ is a diamagnetic molecule based on MO theory and diagrams? I get a bond order of 2, which is paramagnetic.
17 years ago
a right traingle has legs of lengths 3 centimeters and 5 centimeters. Use the pythagorean theorem to find the area of a square drwan on the hypotenuse of the triangle.
17 years ago
which is the smallest unit of measurement? m, cs, km?
17 years ago
Hydrogen cyanide is a weak acid with Ka = 4.9 x 10-10. Calculate the pH of a solution (to 2 decimal places) containing 2.28 g of Sr(CN)2 per 158 mL.
17 years ago
A sample of KHC2O4 weighing 0.5839 g is dissolved in 25 mL of water and an endpoint is reached when 31.99 mL of KOH has been added. Calculate the molarity of the KOH solution. KHC2O4(aq) + KOH(aq) ¨ K2C2O4(aq) + H2O(l) because the coefficents are all the...
17 years ago
I'm not surprised the answer was wrong. Chemical reactions are by mols and not by grams; therefore, 1 mol of each reactant produces 1 mol of each product but a mol is not a gram. SO, convert 0.5839 g KHC2O4 to mols, convert mols KHC2O4 to mols KOH (that's...
17 years ago
For a sample with a mean of M=85, a score of X=90 corresponds to a z-score of z=1.00. What is the sample standard deviation?
17 years ago
What is the molarity of the resulting saline solution when you mix 1 mole HCl with 1 mole NaOH? I'll provide some basic information that I know, but could somebody tell me how to get the answer using the data? The balanced reaction is as follows: HCl+NaOH...
17 years ago
When installed in the year 1,985, a cobalt-60 radiation therapy source (k = 0.131 yr-1) produced a beam capable of delivering 323 rem per minute (a unit to describe the beam intensity). What is the beam intensity (in rem/min) in the year 2007?
17 years ago
Expand f(x) = (x+x^2)/((1-x)^3) as a power series and use it to find the sum of series (SUM from n=1 to infinity) (n^2)/(2^n) PLEASE HELP.
17 years ago
Use the standard normal distribution to find P(-2.25 < z < 1.25).
17 years ago
The local lottery sets up a game wherein a player has a chance of collecting $750. The player must choose a 3-digit number and if it matches, the player receives $750 It costs $1 to play the game. What is the expected profit (or loss) for each player.
17 years ago
In a certain microwave oven on the high power setting, the time it takes a randomly chosen kernel of popcorn to pop is normally distributed with a mean of 140 seconds and a standard deviation of 25 seconds. What percentage of the kernels will fail to pop...
17 years ago
which orbitals in the molecular orbital diagram contain the lone pair electrons around O? My answer: one of the lone pairs on oxygen exist in an "s" orbital. two of the lone pairs exist in "p" orbitals not involved in bonding. -is this correct.
17 years ago
What is the anode and cathode of this problem? A chemist wishes to determine the concentration of CrO4-2 ions electrochemically. A cell is constructed consisting of saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The SCE is compos...
17 years ago
Can you find something about California that starts with a I?
17 years ago
what has to do with Califoria that starts with a k
17 years ago
im working on a social studies weird ABC thing, but I can't find anything for U. please help
17 years ago
I cant find a thing that has to do with California that starts with a O (the letter) please help thank you
17 years ago
i need a word about california that starts with a P
17 years ago
I need something that s related to California that starts with a Q
17 years ago
Is there another famous person named John Deere. I can only find the John Deere that invented tractors.
17 years ago
I'm learing about connotations of words. Although many words have connotations that most of us agree to because they are culturally shared, some worlds cna be given a different connotation in some contexts. However, since I am a ballingual student, I'm ha...
17 years ago
I have a problem with 'diction' I kind of 'feel' the sentence, but I don't know what to write. Thanks a lot!! "Art is the antidote that can call us back from the edge of numbness, restoring the ability to feel for another." By using the word "antidote", w...
17 years ago
I have to write a narrative essay about a time when i had to do something that went against my beliefs or convictions. I thought about it for like an hour, but I can't figure out a decent example. Can anyone tell me an example so I can understant what kin...
17 years ago
What volume of 3.0M Na2SO4 must be added to 25ml of 1.0M BaCl2 to produce 5.0g of BaSO4? The answer is 7.1ml but I don't get it very well. I thought I could use mole ratio of the balanced equation, but it did not work. Thanks a lot!
17 years ago
I have a pretty specific question... I'm wondering if the "Binge-Eating Disorder" is actually included in the DSM 4 as one of the disorders, or if it's just in there for one of future considerations.
17 years ago
Can you find some links to a site that has a picture of a northwest indian fishing
17 years ago
Okay look: 00-01-$7586 01-02-$8022 02-03-$8502 03-04-$9249 04-05-$9877 Jason started college during the 2001-2002 year and graduated during the 04-05 year. How much did Jason's education cost? How do you do it????
17 years ago
if a letter has a line on it does it mean its a long or short
17 years ago
the sum of two numbers is 34. their difference is 18. what are the two numbers?
17 years ago
2K (s) + 2H2O (l) --> 2KOH (aq) + H2 (g) When 0.400 mole of potassium reacts with excess water at STP, what is the volume of hydrogen gas produced? the answer is 4.48 liters but I keep getting wrong numbers! please help! Thanks!
17 years ago
um i need info on native american fishing nets
17 years ago
what is the season that salmon return?
17 years ago
how do i find dy/dx of y = (x^3-1)/cos(x) do I start with (x^3-1)*cos(x)^-1 ? Thanks!
17 years ago
This is because the energy from the sun is __________ the water up. Is this heating?
17 years ago
A question on "The Lottery" by Shirley Jackson ? I am writing an essay explaining how the use of literary devices creates a sense of horror. I wrote down things like "withheld knowledge" (that the author not telling readers the "prize" of the lottery) but...
17 years ago
Which one is correct? "There are studies and research that supports categorizing obesity as a mental disorder..." or "There are studies and research that support categorizing..."
16 years ago
Sorry, another quick question... u is a vowel, so shouldn't there be a "an" before it?/ For example: "Distress is not an universal association..." However, microsoft word keeps correcting me to say "a" instead.
16 years ago
I'm so confused!!!!!!!!!! I need to write out the equation for the reaction between (+)-tartaric acid and (+_)-1-phenylethylamine. I know tartaric acid is C4H6O6 and 1-phenylethylamie is C8H11N. Where do I go from here?
16 years ago
If the tolerance on the volume of a cube is a 2% error then what should the tolerance be fore each side? So what i did was V=x^3 dV = 3x^2 dx dV/V = 2% What should I do next? the answer is 2/3% but I don't know how it works. Thanks.
16 years ago
Please help!! It's due tomorrow morning!!!!! --Why is it necessary to use a mixed aqueous-organic solvent system for the oxidation of cyclohexENE?
16 years ago
What is the balanced equation for the preparation of cis-1,2-cyclohexanediol???
16 years ago
The per capita public debt (in thousands of dollars) of the United States for the years 1940 to 1990 appears below. Create a scatterplot and determine a trend line. Based on your scatterplot, what do you expect the per capita public debt to be in 2020? Ye...
16 years ago
In grade 11 and trying to understand this poem which the teacher gave very little explanation for, telling to "interpret the poem for yourself" The poem is called Bushed and is written by Earl Birney. He invented a rainbow but lightning struck it down sha...
16 years ago
Why does the reaction of 2-bromo-2-methylbutane and ethanolic solution of silver nitrate interfered by the presence of water in the sodium iodide in acetone reagent? (Substitution chemistry) Thanks for any help!!
16 years ago
what are the order intermolecular forces according to strength??
16 years ago
Does anyone know about the Canadian Stormtroopers?? I heard during world war 1 Germans named the Canadians "Stormtroopers"- Who were they? Some links would be helpful! Thanks
16 years ago
I just need somebody to explain in plain english what "Immune Modulation" is. Google doesn't help at all, it just directs me to bunch of science research papers!
16 years ago
Rearrange and simplify for b when A= 1/2 bxh
16 years ago
Rearrange and simplify for x when y= mx+b
16 years ago
Using the Disk Method or washer method (im not sure which one) Find The volume of y=x^3 , y=1 , x = 2 revolving around the X axis
16 years ago
washer method!? Find the volume of y=x^2+3, y=3, between [0,2] around y=3
16 years ago
BrO3- + 5Br- + 6H+ <--> 3Br2 + 3H2O If 25.0 ml of 0.200-molar BrO3- is mixed with 30.0 ml of 0.45-molar Br- solution that contains a large excess of H+, what is the amount of Br2 formed, according to the above equation? The answer is 0.00810 moles but I d...
16 years ago
you and a friend are collecting leaves.In your collection of 45 leaves, 4 are oak leaves. In your friend's collection of 36 leaves, 3 are oak leaves. Whose collection has a greater fraction of oak leaves? how do i convert it into a fraction?
16 years ago
What is the pH of the solution that results from mixing 5 ml of 0.2 M NaOH and 100 mL of 0.05 M lactic acid? (Pka of lactic acid= 3.86)
16 years ago
What is the pH of the solution that results from mixing 5 ml of 0.2 M NaOH and 100 mL of 0.05 M lactic acid? (Pka of lactic acid= 3.86) Responses Use the Henderson-Hasselbalch equation. The mixture you have indicated will react to form a buffer, the base...
16 years ago
Calculate the pH that would result if 0.40mL of 1.50 M HCl is added to 12.0 mL of a 0.065 M solution of the fully deprotonated form of the tripeptide glu-asn-leu. I know I'm supposed to do an ICE table... and the equation will look like this initially: de...
16 years ago
How would i explain the readiness of allyl alcohol to react with the Lucas test???? Thanks!!
16 years ago
How would i explain the readiness of allyl alcohol to react with the Lucas test???? Thanks!! ------------------- I still don't understand-- I know Lucas Test is best for tert carbocations but 2-propen-1-ol gives secondary carbocation at best even with rea...
16 years ago
On preparation of a solution of protein, you attempted to dissolve the substance in water, but a suspension resulted. Drop-wise adition of NaOH solution, with stirring, eliminated the suspension. Addition of acid to the original suspension had no effect....
16 years ago
I have a 1/40 dilution as 19.18 mg/ml. how would i get back to the original solution?
16 years ago
What is the total vapor pressure of NaCl solution at 25C with mole fraction of 0.01? (X_NaCl = 0.01) Thanks!!
16 years ago
Words that mean "Equal Justice Under the Law" Is there such a thing or do they just want words that relate to it?
16 years ago
This is my Art assignment but I just wanted to make sure whether there are any mistakes. Please help! Reading or evaluating the visual images around us is a critical skill to have in our lives. By looking at different images and sculptures, people can eva...
16 years ago
Has anyone read this play?? I'm having a little trouble comparing and contrasting Oedipus and Kreon. I need to back up my thesis of Kreon serving as a foil for Oedipus... so far what I have is that Oedipus is a tragic hero by his tragic flaws, mistakes an...
16 years ago
In what way is Kreon superstitious?? We can only use the play Oedipus Rex and not the others (eg, Antigone..) so I'm finding a little bit difficult to get a good grasp on Kreon's character. At the end of Oedipus Rex it shows how Kreon is eager to grasp po...
16 years ago
What process is mainly responsible for shaping Earth's land surface
16 years ago
Why are the Krebs Cycle and electron transport pathways downregulated during period of high ATP demand? Has something to do with pyruvate and lactate...
16 years ago
A galvanic cell is based on the following half-reactions at 25C: Ag+ + e- --> Ag H2O2 + 2H+ + 2e- ---> 2H2O (not H2O2) Predict whether E_cell is larger or smaller than E°_cell for the following case. [Ag+]= 1.0M, [H2O2]= 2.0 M, [H+]=2.0M =================...
16 years ago
Have two quick questions... Why does denatured protein precipitate? (when heated, why does it give that poached egg look? I know heat denatures protein, but why does it look like that? something to do with bonds?) And also... why does protein denature in...
16 years ago
A woman in one state is suing a woman in another state for $25,000. Which one of the following statements is accurate regarding the jurisdiction of the court in which the case was filed? A. The court can exercise personal jurisdiction over the nonresident...
16 years ago
Under HIPAA, which one of the following statements is true regarding the release of PHI by covered entities to business associates? A. Covered entities are responsible for the use of PHI made by business associates. B. Covered entities aren’t allowed to r...
16 years ago
This is my To kill a Mockingbird essay. Please have a look and fix any mistakes or awkward phrases ASAP Thank You Written by Harper Lee, To Kill a Mockingbird is a novel set in a fictional town of Maycomb during the 1930s. In this novel, Lee uses two main...
16 years ago
Answer affirmatively ?saludo vd al maestro al entrar en la clase? Si, ...
16 years ago
For my article, I have to look up a company's old address. Is there a website that has archives of the phonebook online? Thanks so much.
16 years ago
Is a 480 for math bad? Would the 660 I got on reading componsate for this?
16 years ago
Well, it is not quite English.. But it is an essay on my science project. I was wondering if I could get some help on grammar or awkward phrases. Please fix any mistakes in it ASAP.. Asthma, a multi-factorial disease, is caused by family heredity, which i...
16 years ago
This is my intro for my Julius Caesar essay. _____ represents different characters and qualities in the play. Please check any mistakes or awkward phrases thanks Julius Caesar, written by William Shakespeare during the Elizabethan era, is one of the most...
16 years ago
A person during a 24 hour period produced 1.40 litres of urine containing phosphate at a total concentration of 0.0440 M, at a pH of 6.00. This urine was made in the kidneys by acidifying the phosphate in the glomerular filtrate, which had a pH of 7.40. H...
16 years ago
The pH of arterial blood is 7.42. When 10 mL of the blood is acidified, 5.91 mL of CO2 is produced. 1) what is the total concentration of CO2 in the blood [CO2]+[HCO3-]? The experimental value for the volume of one mole of CO2 is 22.26 L/mol. 2) What are...
16 years ago
the Area of a parallelogram is 60ft2 the height is 5ft how long is the base
16 years ago
Does this make sense? "I think moms are the best kinds of people"
16 years ago
Phoebe is swimming in the ocean, 187 meters out from the beach. She screams for help and starts swimming for the beach at 0.7 meters per second. 15 seconds later Calvin starts toward her in a rowboat, going 1.6 meters per second. Let x be the number of se...
15 years ago
In physics we did a lab experiment that involved finding the Heat capacity. the teacher told us that we wont get an exact answer. He wanted us to state the Source of Error. what is a source of Error? He said that it isn't a "human stupidity error" eg. Spi...
15 years ago
I need an article from a newspaper or something published between the dats of September 10 2009 till December 4 , 2009. It must be a weak argument that has fallacies and can be refuted by counter examples. For the assignment i need to reconstruct the argu...
15 years ago
I need help on this question 79 g of water at 95 degree Celsius were added to tap water at 22 degree Celsius, and the Temperature of the mixture after all thermal energy transfer ended at 36 degree Celsius. What was the mass of the tap water? (teacher's a...
15 years ago
Is this sentence grammatically correct? I would someday like to be half the man my father is.
15 years ago
What is the difference between enterocolitis and gastroenteritis?
15 years ago
A ball is thrown up with a speed of 30m/s, what is the maximum height reached?
15 years ago
Answers
The following answers were posted by visitors named Andrew.
Hi, can you help me with my homework?
17 years ago
thank you very much! your info was very helpful!
17 years ago
Cell Theory
17 years ago
I need help with my homework
17 years ago
I said that Hg2Cl2 acted as both the anode and cathode?
17 years ago
I. thank you
17 years ago
what about K
17 years ago
thanks a lot, but that guy didn't found the McD food chain. he just made it more popular.
17 years ago
also M
17 years ago
California
17 years ago
thank you
17 years ago
and try not to do counties,I already did too many of them
17 years ago
thanks a lot:)
17 years ago
thANK YOU :)
17 years ago
25 25 out of 5 is 5 because 25divided by 5 is 6. 5x5 is 25.
17 years ago
625 thousands
17 years ago
i mean, i wanted a picture of the net
17 years ago
thank you just wat i needed
17 years ago
its just like a hobby. Some people like it some don't.
17 years ago
58
17 years ago
thanks
17 years ago
i think you divide 500 by 6
17 years ago
your question isn't clear
17 years ago
i still don't get bob help!!!!!!!!!!
17 years ago
since PV=nRT PV/nRT = 1 or did you mean PV=nRT? P is pressure in atm and V is volume in liter and n is # of moles and R is 0.08206 and T is tempurature in Kelvin.
17 years ago
oh they were made of sinew?
17 years ago
hmm... e i guess
17 years ago
i mean chinook salmon
17 years ago
in the pacific northwest
17 years ago
search mold in wikipedia
17 years ago
Thanks!!
17 years ago
this is the blank word
17 years ago
it means that salt is made up of different stuff then the things that you use to make it.
17 years ago
thank you!!
16 years ago
There isnt one
16 years ago
thanks mark
16 years ago
No it wouldnt be the same because one is a disk rule one is a washer rule
16 years ago
your right im sorry, i was thinking we were rotating around x=3 lol but will you do it so i can check my answer?
16 years ago
i think u forgot to add the 2x^3 to the antiderivitive for the fundamental theorm step
16 years ago
oh i see thank you
16 years ago
Thank you, I understand all of it but I'm not sure how I'm supposed to know what the pKa is
16 years ago
Assign a value to t as long as that value keeps the statement true, then it is correct. t in this would be anything greater than -9 to solve it it would look like: t+6>-3 -6 -6 t>-9
16 years ago
So with NaOH... it's a strong base... it denatured the protein so it eliminated the suspension? Adding acid to the original suspension didn't do anything because it didn't denature the protein? In strong acid, the protein is exposed to the strong acid and...
16 years ago
So since the vapor pressure of water is 23.8 torr p = 0.99 * 23.8 p = 23.6 is this right?
16 years ago
Thanks for your help!!
16 years ago
Thank you so much! I was trying to work with wrong E_cell
16 years ago
Bad: People began bootlegging and smuggling alcohol from Canada, and brewing/distilling it in their basements. With caused numerous arrests. Good: Less alcohol related accidents and deaths were recorded.
16 years ago
The answer is D thanks Ms. Sue
16 years ago
Shouldn't it equal zero anyway because what does Y equal?
16 years ago
okay thanks alot guyz!
15 years ago
yall are So helpful..
15 years ago
It's because, you the equation is 1/2(K)(x^2) So you change the cm to meters, and then you subtract, getting (.02) then you get (.02)^2, cuz u have to square it, Then you * by K which is 88, and then divide by 2. That gives you the SPE, (spring potential...
15 years ago
thank you
15 years ago
Thanks. Therefore, the answer is 512. 2 x 16 x 2 = 64 4 x 32 x 4 = 512 Appreciate your help, Andrew
15 years ago
We were eating apples, bananas, and watermelon on Tuesday.
15 years ago
1 million bottles at $1 a bottle is $1 million minus 50 cents a bottle is $500,000 minus $200,000 fixed costs per year is $300,000 minus $150,000 in taxes is $150,000 left plus 10% per year from the bank is $165,000 times 5 years is $825,000 made. I would...
15 years ago
1x10^-6 divided by 6.02x10^23 equals 6.02x10^17 1.25x10^20 divided by 6.02x10^23 equals 2.08x10^-4
15 years ago
What if the height of the water is only 15 cm, half the height of the hemisphere?
15 years ago
1 = A
15 years ago
1. find a common multiple for the denominators of both fractions. 2. combine the fractions together. do not expand the numerator first. 3. cross multiply. 4. expand the terms 5. make x the subject. 6. solve.
15 years ago
look at the algebraic equation that u posted previously. try to form an equation similar to that.
15 years ago
sorry don't understand
15 years ago
I understand, your answer never mind. Thanks :)
15 years ago
Sorry didn't see your second answer, great thanks a lot.
15 years ago
what is a summary for this book? Answer as soon as possible!!!!!!!!!!!!!!!
15 years ago
Haha never thought of it that way! Thanks!
14 years ago
The answer is wrong. What did u get?
14 years ago
would the long side be 36 in?
14 years ago
sugar is a covalent compound
14 years ago
no the girls can be arranged 9 different ways and the boys can be arranged 49 different ways
14 years ago
Thanks!
14 years ago
This question is unsolvable.
14 years ago
508.4 N [2(2.0m)/6.2m]x788.0N
14 years ago
1. a 2. d 3. c 4. b 5. a 6. b 7. d 8. a 9. c i don't feel like doing any more. stop being so lazy
14 years ago
Mercenary
14 years ago
All I see is that you need a comma after "your agent."
14 years ago
Republicans favor business. Teenagers are seeking their own identities. Top students work hard. But I don't like where I can go with any of them, and I can't think of anything more!
14 years ago
no
14 years ago
21 3/5
14 years ago
What is the naming convention for a vector when two arrow point outward from a central point?
14 years ago
if the government lowers taxes the republican party will be very excited and it will be as if the republicans are the leaders and democrats are not having a change to make their own decisions.republicans always have wanted to not have to pay taxes.
14 years ago
homesick
14 years ago
Would that make the dimensions x=6 and 12? or did I do that wrong?
14 years ago
i got V= 4x^3-72x^2+288x V=12x^2-144x+288=0 Then I foiled that and my answers were x=6 and x=12. Clearly I have no idea what I'm doing, I have a test in my class on wednesday and I need to be able to make sense of this in my homework due tomorrow
14 years ago
Answer
14 years ago
post an answer.
14 years ago
im suppose to write an answer to that prompt but i have no idea what the question is answering so i cant think of what to write
14 years ago
124 atm
14 years ago
thanks for the help!!!!!!! =']
14 years ago
What influence did the American Revolution have around the world?????
13 years ago
thanks
13 years ago
maybe its because people were bullying them, they want to take out their revenge on other people!!!!!!!! i hope that i helped
13 years ago
i nnnnnnneeeeeeeeeeedddddddddddddddddddd help people,,,,,,,,,,,,,,,,, soooooooooo plzzzzzzzzzz hhhhhheeeeeeeelllllllllppppppp mmmmmmmmmeeeeeeeeeee
13 years ago
ssssssssssssssssssooooooooooooooooooooooooo rrrrrrrrrrrrrrrrrrrrrr uuuuuuuuuuuuuuuuuuuuuu sssoooooofffffffiiiiiaaaaaaaa
13 years ago
1. Resolve the initial velocity. 2. Find the time taken for the horizontal velocity of the ball to hit the wall. 3. Using the value of the time found in 2,find the height reached by the vertical velocity of the ball.
13 years ago
it becomes slower as by newton's 2nd law, it undergoes a change in momentum, assuming its mass is kept constant. a resultant force acts in the opposite direction of its motion. hence it retards.
13 years ago
acceleration = (final velocity minus initial velocity)/time taken. the formula is based on newton's 2nd law, which states that the rate of change of momentum of an object is directly proportional to the resultant force acting on it. F = m(v-u)/t ma = m(v-...
13 years ago
Let the vector be V. Vsin(51.6)= 494. for the x-component, V(x) = Vcos(51.6) Try drawing the y,and x axis, the vector V, and a right angled triangle.
13 years ago
Think about how you can locate these three consecutive terms. What is the first term, and the common difference? The sum of an AP for the first n terms is given by S(n) = (n/2)(2a+(n-1)d) where a = -7, d = 4 So lets say the 3 consecutive terms are the 14,...
13 years ago
zero, by newton's 2nd law. having constant velocity, there is no change in its momentum over time. hence there is zero resultant force on it, and it has zero acceleration.
13 years ago