andrew

This page lists questions and answers that were posted by visitors named andrew.

Questions

The following questions were asked by visitors named andrew.

Define physical science Andrew: I went to www.dictionary.com and typed in physical science. The following is what it returned.I hope this helps. physical science 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chem...

How do you learn about people who lived long ago?

i need about song reponse

find each product,5/11x2/7 = or 2/9x4/8=

what exercise is done to strenghten the gastronemuis? is it toe raies?

evaulate an intergral for length of curve with y=(sqrt(4-x^2)) and 0 <_ x <_ 2 im lost, i think i know how to apply the formula but its so difficult to integrate and i need to show all my work!

what is the total pressure of a gas mixture that contains hydrogen at 0.45atm nitrogen at 0.25 atm and argon at 0.60 atm

Assume that the entire mass of an atom is concentrated in its nucleus, a sphere of a radius 1.5 x 10 to the -5 pm. If the mass of the atom is 2.39 x 10 to the -22 g, what is the density?

what is difference between blending patterns of inheritance and particulate patterns of inheritance?

Can we obtain water from milk, vinegar & ink. What are the steps how to do it Thanks

negative one and two tenths minus 5 tenths

How to convert -1.7 into fraction thanks

Can anyone answer any of these questions....? I'm not very associated with the Chicago area.. - What site is near or at the Chicago River today? - How is the area from Lake Michigan to the Chicago River important today? What was the problem with the area...

Question : Matthew Antony, Grant’s former teacher tells him, “What do you know about life?” He tells him, “ You have to go away to know life.” – What does this mean to you? I need some pointers to help me answer my question... (like extra ideas)

is superiority an emotion? - The feeling of superiority

Between HF and H2O, which one has the greater intermolecular force? i know they both exhibit hydrogen-bonding, but which one is greater? thanks

what causes the buildup of a river delta

500 begins it 500 ends it 5 in the middle is seen first of all letters first of all numbers

how to convert a fraction to a decimal? 3 - 5 1/50

The math problem we need help with is: lbs of can collected by 4 children were as follows: #1 49 #2 72 #3 108 #4 121. the answer is 10. what is the question. where do i start to figure out what the question is their looking for?

what is 9*x+6-r+y*p=100

How did wheat help the U.S. gain wealth and power in the world?

can you help me to revise this please? The book focuses on nursing through Sue Bauer's life as a patient, grabbing the reader's attention with her experiences and heartfelt thoughts. That's how this book provides an interesting chance to gain perspective,...

skylar wants to join the local gym. the cost in dollars for a membership can be expressed as: 100+39.99m where 100 is the initation fee in dollars, 39.99 is the monthly fee in dollars, and m is the number of months for which a person signs up. How much wi...

I have two questions. I'm doing a crossword puzzle and this is the question. "sometimes scientist make a mistake or ___and need to do the experiment again." The answer is 5 letters and the second to last letter is an O. The second question is "After the e...

HOw has the artificial limb improved in efficiency over time since it started being used?

equations....4 pennies=4pennies;multiply both sides by 7

A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 11 m/s. The cliff is h = 55 m above the water's surface, as shown below. How long does it take for the stone to fall to the water?

how do you find 3 equivalent fractions for 4/9??

how do sonnets compare with modern day music and songs? its for a presentation

which of the followin is a power of the president???

Factor the expression: x to the 2nd power+3x+2?

I am a number greater than 99 and less than 1,000. Two of my digits that aren't next to each other are the same. My tens digit could not be greater and it is 1 more than my hundreds digit. What number am I?

A bicycle wheel that initially spins at 3 revolutions per second is braked uniformly to a stop in 1 second. A spot is painted at the outer edge of the wheel. How many revolutions does the spot go during the time it takes the wheel to stop? The answer I go...

(a)block A weigh 60N. the coefficient of static friction between the block and the surface on which it rests is 0.25. the weight W is 12N and the system is at equilibrium. find the friction force exerted on block A. (b)find the maximum weight W for which...

how many grams of oxalic acid dihydrate to completely neutralize 25ml of 0.12 M of sodium hydroxide

What are the two similar features for long shore current and rip currents?

using the unit conversion method derive an equation to calculate heat produced from the HCl-Na OH reaction

which of the following would form acidic,basic or neutral solutions:nh4f,nh4cn,nh4ch3coo,nh4cl,ba(ch3coo)2,nacn,caso4,cr(no3)3,fecl3,na2co3

what equation would you use if you wanted to find the net x-direction force on the box example: here is the problem... A box of mass 24.0 kg is subject to an applied force of 245 N with a depression angle of 31.2°, and it accelerates to the right. The hor...

All 26 letters of the alphabet are written on cards and shuffled. If one card is pulled out randomly, find the probability. (note Y is not considered a vowel for these problems) P(A or Z) =

the length of a rectangle is 10 inches more than its width. what are the dimensions of the rectangle if its perimeter is 80 inches?

What are the first and third quartiles of the box and whisker plot above? 0 15 110 225

5. Consider a particle moving counter-clockwise around the ellipse x^9/9 +y^2/4 = 1. Find a relationship between dy/dt and dx/dt What are the rates of change of y and x at the times when the other variable isn't . changing at all?

6. A parabaloid with height h and radius r has volume 1/2 pieR^2H. Consider a parabaloid-shaped water tank with height of 7m and radius of 4m. If V is the volme of water in the tank and h is the depth of water, find the relationship between dV/dt and dhd...

210 210 Pb --> Bi + ? 82 83 60 0 Co --> ? + e 27 -1 I need an explanation on how to find the missing product.

a dollar bill has an area of 15.86 square inches. If a dollar bill is 2.6 inches long, how wide is it? Also, please explain how you got the answer because i am very confused.

What is the projected population over a period of 340 years in a region which begins with three couples?

write 20h/24h in its simplest form

Find two numbers the exact answer is between. 3 X 567

Find the derivative of the function y(x)=c^x+x^c. Assume that c is a constant.

Jacie is considering a job that offers a monthly starting salary of $3000 and guarantees her a monthly raise of $180 during her first year on the job. Find the general term of this arithmetic sequence and her monthly salary at the end of her first year/

How do the senate and the house of representatives work together to pass bills into laws?

in what ways do the senate an house of representatives work together to pass bills into laws?

3cm triangle,9cm triangle, 27cm triangle, If the pattern continues,and a fourth triangle is drawn,what would be the length of a side?

pizza is sold every tuesday. Today is Tuesday. What reasoning can you use to describe what will happen, Inductive or Deductive reasoning?

A 0.500 ice puck, moving east with a speed of 6.70 , has a head-on collision with a 0.700 puck initially at rest. Assuming a perfectly elastic collision, what will be the speed of the 0.500 object after the collision? What will be the speed of the 0.700 o...

write an absolute value inequality describing the minutes of data (w) a full dvd will hold if a typical dvd can store between 137.9 and 142.1 minutes of data before it is considered full

A running man has half the kinetic energy of a boy half his mass. The man speeds up by 1.30 m/s and then has the same kinetic energy as the boy. What is the speed (in meters/second) of the boy?

Tension is maintained in a string. The observed wave speed is 21 m/s when the suspended mass is 3.0 kg. a) What is the mass per unit length of the string? (in kg/m) b) What is the wave speed when the suspended mass is 1.6 kg? (in m/s)

Two loudspeakers are placed above and below each other and driven by the same source at a frequency of 3.70 102 Hz.An observer is in front of the speakers at point O, at the same distance from each speaker. What minimum vertical distance upward should the...

A 8.01-nC charge is located 1.95 m from a 4.06-nC point charge. (a) Find the magnitude of the electrostatic force that one charge exerts on the other. (b) Is the force attractive or repulsive?

An electron is accelerated by a constant electric field of magnitude 325 N/C. (a) Find the acceleration of the electron. (m/s^2) (b) Use the equations of motion with constant acceleration to find the electron's speed after 1.05 10-8 s, assuming it starts...

A potential difference of 102 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell? (in...

The potential difference between the accelerating plates of a TV set is about 30 kV. If the distance between the plates is 1.1 cm, find the magnitude of the uniform electric field in the region between the plates. (in N/C)

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. If a 19.2-V potential difference is applied to these plates, calculate the following: (a) the electric field between the plates, ma...

A wire of initial length L0 and radius r0 has a measured resistance of 2.5 . The wire is drawn under tensile stress to a new uniform radius of r = 0.45r0. What is the new resistance of the wire?

After 1.84 days, the activity of a sample of an unknown type radioactive material has decreased to 85.8% of the initial activity. What is the half-life of this material? (in days)

John Stands at the edge of a flat roof of a three story building and throws a 180g ball straight up into the air that reaches a height of 3.0 meters above the roof. ( building is 14 meters high) A. What is the initial speed of the ball? B. How long does i...

1. Two concentric conducting spherical shells have radii of 0.145 m. and 0.215 m. The inner sphere bears a charge of -3.00E-08 C. An electron escapes from the inner sphere with negligible speed. Assuming that the region between the spheres is a vacuum, co...

Two parallel plates of area 41 cm.^2 have equal but opposite charges of 2.60E-07 C. Within the dielectric material filling the space between the plates, the electric field is 5.80E+05 V./m. Find the dielectric constant of the material. Feel like there is...

8. A galvanometer has a coil resistance of 100 ohms and gives a full scale deflection when the potential difference across it is 0.0002 V. What size resistor (with a value measured in ohms) is required to make a 1.0 A. full scale deflection ammeter?

A small but measurable current of 3.20 E-10 A. exists in a copper wire whose diameter is 0.03 cm. Calculate the electron drift speed (in meters/second).

A 6.44 E+06 ohm resistor and a 1.00 microfarad capacitor are connected in a single loop circuit with a seat of emf of E = 2.00 V. At 6.00 s. after the connection is made, what is the rate at which energy (in joules/second) is being delivered by the seat o...

A 65 V. battery is connected across a 65400 ohm and a 37700 ohm resistor connected in series. What is the per cent error in the voltmeter reading when placed across the first resistor, if the voltmeter resistance is 143000 ohms? Not sure where to go with...

two bodies of mass m1 and m2 are attached to two ends of a string which passes over a massless and frictionless pulley. find the acceleration of the bodies and the tension of the string. m1 is bigger than m2

How mr andrew treat his workers

The perimeter of a regular octagon is p. write an expression that represents the length of one side of the octagon?

The sum of the digits of a positive two-digit number is 13,If twice the first digit is 1 less than the second digit,what is the two-digit number ?

plz someone give me the answer ive read m book over and over i cant find the answer to why is new orleans important

How did the Supreme Court rule on the Indian Removal Act? is it Jackson's order to move the Indians west was unconstitutional. or The Indian Removal Act was unconstitutional.

Chlorine gas is collected in a gas collecting tube above water. The gas is at 20oC and the total pressure in the tube is 755 mmHg. What is the pressure (in mmHg) of chlorine gas in the tube?

C2H5OH+O2-CH3COOH+H2O HOW MANY MOLES OF ETHANOL IN 5g

what is a pentagon

A rectangular prism has a volume of 250 cubic cm.What would the volume be if one dimension stayed the same, a second dimension was three times as long, and the third was twice as long?

f(x) is a cubic polynomial such that f(n)=1/n^2+1 for n=1,2,3,4. If f(0)=a/b,where a and b are coprime positive integers, what is the value of a+b

A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times. W...

How many ordered pairs of positive integers 1≤k≤n≤50 are there, such that k divides n, and (n/k )!= n!/k! ?

A computer train travels the distance from Acton to Boston in 1 hour and 10 minutes. If the train is traveling at an average speed of 48 miles per hour, what is the distance between the two cities?

Padding 7 miles upstream, Steven and his brother averaged 2 miles per hour. On the way back, their rate of speed was 3 1/2 miles per hour. How long did it take them to make the round trip?

if f(X)=x^1/3+ 1/3x what is the value of f(27)

A 2.25kg book is dropped from a height of 2.5m what is the acceleration?

Answers

The following answers were posted by visitors named andrew.

first word has 5 letters second word has 10 letters deals with artist i think letters are mtvheepsirtaiss

dont know if its correct but its something. p=w/t W=KE=(1/2)m(v)^2 p=(.5mv^2)/t p_inital=(.5(1600)(19.5))/11=27654watts p_final=(.5(1600)(3.2))/11=744.7...watts (p_final)-(p_inital)=26909.27...watts maybe? idk

okay but what i'd like to know is why is it important for someone to be able to interact in society, don't they think that they feel happy enough???

okay thanks I was really stuck with that one XD

the 2 in the chemical equation means that the element contains more than 1 Hydrogen atom Example H20 = Water 2 hydrogen and 1 oxygen molecule

the nucleus would be like the head office (or something that controls the whole thing)

the spraying of pesticides may kill the mosquitoes but the remaining mosquito that survive the chemical grow an immunity to the pesticide causing them to grow a gene that prevents the insect to die to the pesticides Also when the pesticides reproduce they...

you increase the atomic number but i don't know why I think because the atoms gain more electrons the higher they go on the periodic table

the nucleolus would be the head office or something that controls the whole thing

thanks for the help (haha dad i was right!)

the answer is D

how can i graph the inequality 4x+5y is greater than or equal to 20 in a plane? #2 Please help to graph the system of inequalities y is less than or equal to -5 and x is less than or equal to 6 just finishing up an assignment thnaks

how did you get the 8cm?

aerobic respiration?

he was jumping for joy

no its on a flat surface with the static friction of .25. and W is hanging off the string at a 45 degree angle vertically.

the string off of A

Which of the following sentences has a dangling modifier? A. On the way to the bank, the interest rates went down. B. By the light of the moon, I tripped over a rock. C. The dog that is man's best friend is cat's worst enemy. D. When the storm began to ab...

but guido, if that is your real name, wait a sec how do u divide a trinomial by a binomial

if dx/dt = 0 then y should also be zero

@ reiny if dx/dt = 0 then y should also be zero

its bit of maths and physics. ms .sue. use of function

@Damon : Appreciate it sir. u are a life saver. i was on track and needed a kick . thanks alot.

someone please help me!!! and fully explain!!! =0

excuse me you just answered someone's question who posted after me shouldn't you try to answer mine? Also, I still need help on this question.

a 20 pound inch per hundred psi motor operates with a torque load of 500 pound inches. what is the operating pressure?

what dose sea level mean in math :()!

where are you getting that k value from? if you look at the half life of U i calculated it to be 1.5e-10

Alyssa, I suggest you draw a freebody diagram of the wagon and the handle. Youll notice that the handle has a force of magnitude 20N with a direction of 25 degrees above the horizontal. Now write your force summation using Newton's second law. Let Ft be t...

Thanks! Our textbook did not cover dielectrics very well.

Tiffany, Assuming the reaction runs to completion and there is an excess of Al you know that Bromine is your limiting reagent. Stoichiometry will give you the amount of AlBr2 produced. You begin with 7.9 mol Br2 to cancel the moles of Bromine and find mol...

E=mc^2 10^6 J/s are being produced (1Mw) 10^6 J/s = m (3.0e8 m/s) solve for mass to find amount of mass lost in one second. ~ .0033kg

d = m/v v = 5.18^3 m = 197g d = 197/(5.18^3) answer is in g/cm^3

denominator is the number beneath the line of a fraction. e.g. x/4 we know that 1/4 wont work, neither will 2/4 (1/2) nor 4/4 (1). That leaves us with one option 3/4 3/4 is greater than 1/2 but less than 1 and has a 4 in the denominator Hope that helps!

you have the correct answer and are looking for an explanation? there are three nitrates of formula NO3. since there are 3 oxygen atoms per nitrate, and 3 nitrates total. 3x3 = 9 oxygen atoms per nitroglycerin

you think correctly

Think a little more.. you have 1.25e23 atoms, and there are 6.02e23 atom in one mole. dividing the first by the second yields 2.08e-1 mol Mg

its C your original answer

ive previously tried this and obtained 3.34e-13 m/s which the computer says is wrong where N = 8.46e28 m^-3 e = 1.6e-19 C and A = 7.07e-8 m^2

Here's my attempt. V = 324.8 m^3 Total Energy of Students: 395280 J (in 54min) mass = 406kg q=mc(deltaT) q= 395280J c= 840 J/kg C m= 406 kg delta T = 1.16 C Tf = 20.0 C

oh drats non-linear is so much more fun! where x is length and y is width. 2x + 2y = 28 x - 10 = y solve with substitution

this didn't seem to work. do the voltmeter and resistor have to be treated as a parallel connection?

why is it good to play cards in a grave yard

so is it 8 times x? 8*x?

YOU MULTIPLY! right..?

that makes sense so it would be 8/p then?

Ohhhhh that makes much more sense thank you so just p/8 or p/8=x ?

divide by a 1000 your original answer is in N i believe also i would like to know how you solved this

probably c if i were to guess

URGENT THANKYOU

ur answer was wrong

is it ? are you know my Brilliant Accout? hahaha freaking stupid threat

I think term 55 but I am not sure what that proves or if it shows you the answer?

because the Old Testament referred to geocentrism and was considered most "authentic"

Population growth is just how many people compared from 100 years ago to now. That's what I think it is.

The goal of the essay is to tell what caused a skyrocketing population from 100 years ago to now. Well, I don't think I ended the essay good, can you help me end it? How about this: Those are just a few of the reasons, but modern technology has certainly...

Nevermind I got it but thanks!!!

Is the answer 18 students?

what is 3 and 6?

the masses cancel out in the equation

session.masteringphysics. com/problemAsset/1187768/5/P4-80.jpg

substitute 12=-4(5)+3 -20+3 12=-17 is not true

i believe its delayed bail

The floor for people that don't know what floor they want to go on

2. is D n 4. is b , wht is 3 n 1?

i need help too

why is it important to line up decimal numbers

what dose charter mean

a) 14.6 g B) 23.76 g C) 38.54 g

The short answer is 34.53%

HELP I'M DESPERATE did u submit the test right the anwsers down here

b b b i got 100% from connection acadamy

those in connections academy 8th grade i need help with math function unit test lession 13 I just need help

hey its 4/26/18 what r the answers all of dem

is it all of the above because all of them are kind of similar to each other?

all of the above?

im going to kill you and your mom in oyour house

A B B -420 B I think they might be changing question c so it is 420.

are we sure these are right?

find the letter n