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February 22, 2011
Archer pulls her bow string back 0.4 m by exerting a force that increases uniformly from zero to 230 N.
What is the equivalent
4 answers
asked by
Nabil
10,353 views
Which of the following statements about work is or are true? (More than one statement may be true.)
A. Negative net work done on
1 answer
asked by
andrea
7,706 views
A continuous function f, defined for all x, has the following properties:
1. f is increasing 2. f is concave down 3. f(13)=3 4.
1 answer
asked by
Cecille
6,718 views
Find the accumulated value of an investment of $5000 at 5% compounded monthly for 8 years.
3 answers
asked by
amber
5,529 views
If a curve with a radius of 88m is perfectly banked for a car traveling 75km/h, what must be the coefficient of static friction
4 answers
asked by
Emily Grossman
5,445 views
How do you solve this problem?
A ball on the end of a string is revolved at a uniform rate in a vertical circle radius of 72.0
7 answers
asked by
Emily Grossman
5,346 views
Two balls having different masses reach the same height when shot into the air from the ground.
If there is no air drag, which of
1 answer
asked by
andrea
4,194 views
what potential difference is required to pass 3.0 A through 28 ohm's
4 answers
asked by
pablo
3,768 views
Given the numerical values shown for the function f(x), find approximate values for the derivative of f(x) at each of the
2 answers
asked by
Celine
3,270 views
A rock is thrown upward at an angle of 50 degrees with respect to the horizon. As it rises, its vertical component of velocity
1 answer
asked by
Tamara
3,144 views
The position of a particle moving along the x-axis is given by s(t)=2t2+4. Use difference quotients to find the velocity v(t)
1 answer
asked by
Cecille
3,095 views
) Which of the following should dissolve the smallest amount of silver sulfide per liter, assuming no complex formation? A) 0.1
1 answer
asked by
sana
2,395 views
Explain how you can break apart 3x9 to help you multiply.
7 answers
asked by
Joe
2,229 views
the average speed of light slows to 0.75 when it refracts through a praticular piece of plastic.
a. what change is there in the
1 answer
asked by
Sarah
2,084 views
Find the degree ionization of .75 M HF
1 answer
asked by
Skibba
2,059 views
A bead with a mass of 0.085 g and a charge of 20 nC is free to slide on a vertical rod. At the base of the rod is a fixed 20 nC
2 answers
asked by
Alona
2,057 views
A block slides a distance d down a frictionless plane and then comes to a stop after sliding a distance s across a rough
1 answer
asked by
andrea
2,048 views
Consider an airplane that normally has an air speed of 120 km/h in a 105 km/h crosswind blowing from west to east. Calculate its
2 answers
asked by
macarena
2,025 views
a .330 kg volleyball is dropped from rest. it takes it 1.30 s to reach the ground. what is the magnitude of its momentum just
1 answer
asked by
vicki
2,006 views
A ball on the end of a string is revolved at a uniform rate in a vertical circle of radius 72.0m, as shown in figure. If it's
3 answers
asked by
Emily Grossman
1,924 views
Larry has $2600 to invest and needs $3000 in 11 years. What annual rate of return will he need to get in order to accomplish his
1 answer
asked by
Brad
1,917 views
what are the benefits and disadvantages of using medical terminology in medical office management?
1 answer
asked by
Anela
1,885 views
Consider two frictionless inclined planes with the same vertical height. Plane 1 makes an angle of 25.0 degree with the
1 answer
asked by
andrea
1,843 views
At a certain temperature, Kc = 33 for the reaction:
H2(g) + I2(g) 2HI(g) Assume that the initial concentrations of both H2 and I2
2 answers
asked by
Tiffany
1,726 views
Decide whether each of the following is water-soluble. If soluble tell what ions are produced.
A. Na2CO3 B. CuSO4 C.NiS D.BaBr2 I
2 answers
asked by
Danielle
1,715 views
7.A turntable reaches an angular speed of 33.3 rpm, in 2.1 s, starting from rest.
(a) Assuming the angular acceleration is
3 answers
asked by
jimmyjonas
1,690 views
A rectangle is to be inscribed in a semicircle of radius 8, with one side lying on the diameter of the circle. What is the
1 answer
asked by
Erica
1,680 views
-3x + 2y = 8
x + 4y = -4 use substitution method to solve the linear system.
2 answers
asked by
Bun
1,630 views
a die is rolled 10 times. find the chance of....
a)not getting 10 sixes b)all the rolls showing 5 spots or less I'm not sure how
1 answer
asked by
karen
1,622 views
shad is 3ft from a lamppost that is 12 ft high. shad is 5 1/2 ft tall. how long is shad's shadow?
2 answers
asked by
kourtney
1,563 views
"An alpha particle (a helium nucleus) is traveling along the positive x-axis at 1 250 m/s when it enters a cylindrical tube of
1 answer
asked by
Anonymous
1,526 views
Lake Kickapoo, TX, is approximately 12 km in length by 2.5 km in width.
The inflow for the month of April is 3.26 cubic meter per
2 answers
asked by
Jazmin
1,524 views
A billiard ball rolling across a table to the right at 2.2 m/s makes a head-on elastic collision with an identical ball. The
1 answer
asked by
micha
1,523 views
Find the cost of 60 tonnes of cocoa at 25 per 100-kg sack
4 answers
asked by
Praise
1,510 views
A cylindrical tank is lying horizontally on the ground, its diameter is 16 feet, its length is 25 feet, the depth of the water
1 answer
asked by
Anonymous
1,472 views
how many moles of gas are contained in a 50.0L cylinder at a pressure of 100.0 atm and a pressure of 35 C?
1 answer
asked by
donna
1,421 views
A psychology class is comprised of 4 female and 6 male students. If the instructor of the class randomly chooses 6 students from
1 answer
asked by
John
1,345 views
As a consumer,what things do you consider in judging the quality of cookies you buy in a supermarket
2 answers
asked by
francis
1,325 views
How did the Vietnam War, and the domestic opposition to it, come to dominate American politics in the 1960s?
1 answer
asked by
carol
1,307 views
2.A spy satellite is in circular orbit around Earth. It makes one revolution in 6.02 hours.
(a) How high above Earth's surface is
2 answers
asked by
jimmyjonas
1,292 views
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state
1 answer
asked by
Joel
1,289 views
Could someone recheck this-I don't understand the two follow up answers because they seem to contradict each other-Maybe its the
2 answers
asked by
BethAnne
1,278 views
A cylinder has a diameter of 80 cm and a length of 45 cm. Another cylinder has the same volume but is 80cm long. What is the
3 answers
asked by
priya
1,268 views
I need an advertisement which hasn't been banned yet, but that you think should be banned. I don't really pay attention to ads,
1 answer
asked by
Celina
1,250 views
The two blocks in the figure are connected by a massless rope that passes over a pulley. The pulley is 17 in diameter and has a
0 answers
asked by
Saif sidd
1,246 views
One of the tenets of the pseudoscience (i.e., "false science") of astrology is that, in some mysterious way, the positions of
2 answers
asked by
andrea
1,192 views
A 10.3 kg block of ice slides without friction down a long track. The start of the track is 4.2 m higher than the end of the
1 answer
asked by
Breezerlea
1,189 views
How to solve/ work this problem? If a curve with a radius of 88m is perfectly banked for a car traveling 75 km/h, what must be
2 answers
asked by
Emily Grossman
1,188 views
I need an advertisement which hasn't been banned yet, but that you think should be banned. I don't really pay attention to ads,
2 answers
asked by
Celina
1,182 views
You would like to invest in $12,000 in two different bonds. Some of the amount will be invested in treasury bonds at 10% annual
1 answer
asked by
Jaison
1,179 views
If 22 grams of water are saturated at 75 degrees celsius with potassium nitrate and then cooled to 40 degrees celsius, how much
0 answers
asked by
chris
1,171 views
what does this mean? psychology is uniquely qualified to help intervene?
I also would like you to comment on what are at least
2 answers
asked by
Lee
1,169 views
A hammer falls from a scaffold on a building 50.0m above the ground. Find its speed as it hits the ground.
2 answers
asked by
stacey
1,160 views
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state
1 answer
asked by
Betty
1,160 views
A 100.0 W light bulb hangs from the ceiling. What is the visible light intensity on the floor, 2.1 m directly below the bulb, if
1 answer
asked by
Lynn
1,157 views
A high diver leaves the end of a 5.0 m high diving board and strikes the water 1.4 s later, 2.8 m beyond the end of the board.
0 answers
asked by
Anonymous
1,145 views
How do you solve this problem?
How fast (in rpm) must a centrifuge rotate if a particle 9.00cm from the axis of rotation is to
3 answers
asked by
Emily Grossman
1,131 views
Toyota Motor Credit Corporation (TMCC), a subsidiary of Toyota Motor, offered some securities for sale to the public on March
2 answers
asked by
Lizi
1,130 views
Calculate the impulse that must be imparted to stop a 5.0kg object traveling at 8.0 m/s? If the object came to a stop in 10 s,
1 answer
asked by
anonymous
1,125 views
Describe, in detail, how to make 5.5 liters of a 2.5 molar HCl solution from a 10.5 molar HCl stock solution.
1 answer
asked by
Kristen
1,121 views
Select the set of equations that represents the following situation: Mary invested one amount at 7% simple interest, and a
1 answer
asked by
Joel
1,117 views
If a bicycle has a crankshaft of 40 teeth, and there are three rear sprockets attached to the rear wheel, 20 teeth, 16 teeth and
0 answers
asked by
Maggie
1,114 views
What is the concentration of HCl in a 250.0 mL sample of hydrochloric acid if 15.5 mL of 0.0100 M NaOH is needed to react with
1 answer
asked by
Maddy
1,096 views
1) a loaded cart with a mass of 96 kg sits at reat atop a 40 degree inclined plane that measures 20.5m long. accidentally the
1 answer
asked by
shelly
1,074 views
A hospital performs 3 types of operations. The first type takes 30 minutes, and they charge $700 for it. The second type takes 1
1 answer
asked by
Sarah
1,072 views
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state
1 answer
asked by
Betty
1,048 views
A music store offers a prize to a customer who can guess the closest, the number of jelly beans that fill a litre jar on the
2 answers
asked by
Riah
1,048 views
The story Early Inklings but John updik How does the last line reinforce the meaning of the pun?
Last line contains This was my
1 answer
asked by
Shayla
1,016 views
Calculate the percent mass of a solution made by dissolving 25.2 of KBr into .250 liters of water.
2 answers
asked by
yoda
1,014 views
Let f(x) = x^3 - 7x^2 + 25x - 39 and let g be the inverse function of f. What is the value of g'(0)?
1 answer
asked by
Erica
1,012 views
Penny has been hired to paint 5 bulletin boards at her school. To calculate the amount of surface she needs to paint, she
1 answer
asked by
Emelie
1,008 views
This is true or false
A possessive adjective is a descriptive word that tells whose something is I think this is false because
4 answers
asked by
BethAnne
988 views
How can you use technology in your elementary science instruction to help children in their inquiries?
1 answer
asked by
Anonymous
971 views
3.A roller coaster has a vertical loop with radius 27.1 m. With what minimum speed should the roller coaster car be moving at
1 answer
asked by
jimmyjonas
946 views
Is there euphony, cacophony, onomatopoeia in the poem Phenomenal Woman by Maya Angelou? Examples are needed.
1 answer
asked by
Andrea
943 views
How and why did the American economy soar from 1950 to 1970?
1 answer
asked by
carol
942 views
What does I=prt mean in 7th grade verison?
3 answers
asked by
Rebecca Broda
941 views
What volume of 0.406 M KOH is required to completely react with 18.50 mL of 0.287 M H2SO4?
2 answers
asked by
Maddy
912 views
How to solve/work problem?
Two objects attract each other gravitationally with a force of 2.5 * 10^-10 N when they are .25m
2 answers
asked by
Emily Grossman
905 views
Under Franklin Roosevelt's Good Neighbor policy,
A. the collective security among the nations of the Western Hemisphere declined.
6 answers
asked by
Anonymous
901 views
You stand on the seat of a chair and then hop off.
During the time you are in flight down to the floor, the Earth is lurching up
2 answers
asked by
kia
894 views
Two satellites are in circular orbits around Jupiter. One, with orbital radius r, makes one revolution every 17 h. The other
2 answers
asked by
jimmyjonas
891 views
1. Iron reacts with oxygen according to the following equation:
Fe + O2→ Fe2O3 a. Balance the equation. b. Assuming you start
1 answer
asked by
Ashley
886 views
The $75 cost for a party was to be shared equally by all of those attending. Since five more people attended than was expected,
1 answer
asked by
Andrew
882 views
we have 159ml of CO2 at 38.9 C and 92.4 kPa. if the conditions change to 64.9 C and 174 kPa, what is the volume of the gas?
1 answer
asked by
Nicole
870 views
Cody’s motorboat took 3 hr to make a trip downstream with a 6-mph current. The return trip against the same current took 5 hr.
2 answers
asked by
Joel
869 views
change to reported speech
speaker a: eih she is coming! speaker s:who? speaker a: that woman speaker a:I really don't think she
1 answer
asked by
sharon
856 views
The line y = mx+b with b≥2 is tangent to the graph f(x) = -2(x-2)² + 2 at a point in the first quadrant. What are all
0 answers
asked by
Erica
851 views
the gas tank in bob's car holds at most 15 gallons. He has already filled the tank with 7 gallons of gas. he will continue to
1 answer
asked by
Jay
843 views
The temperature of 100.0g of water initially at 25.0 degrees C in a calorimeter increases to 30.0 degrees C after adding a 20.0g
2 answers
asked by
Jaclyn
841 views
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state
1 answer
asked by
Joel
839 views
How many grams of sodium hydroxide are required to prepare 500 mL of 0.500 M NaOH?
2 answers
asked by
Maddy
826 views
a 2 kg rabbit starts from rest and is moving at 6 m/s after 3 seconds. What force must the rabbit cause to makes this change in
1 answer
asked by
becky
825 views
a curve ahs parametric equations x=t^2
and y= 1-1/2t for t>0. i)find the co-ordinates of the point P where the curve cuts the
1 answer
asked by
Hannah
822 views
Could someone please help me-I'm totally confused on this.
I have to say that the person has his/her/their own book or books in
5 answers
asked by
BethAnne
821 views
When 1.O M solution of NaCl at 25 degrees C, is heated to 55 degrees C the:
A) density increase and the molarity increases B)
2 answers
asked by
Courtney
810 views
tom saved $550 to go on a school trip. the cost for a hotel room, including tax, is $80 per night. write and inequality to show
1 answer
asked by
Jay
801 views
Why was control of the seas so important for the Allies and the Axis?
2 answers
asked by
Kaylee
794 views
A communications satellite is in a synchronous orbit that is 3.00 107 m directly above the equator. The satellite is located
0 answers
asked by
Anonymous
786 views
Using C++ (if, char or Boolean)
Write a program that asks the user for a two digit number and then prints the English word for
2 answers
asked by
Sundayy
758 views
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