Thursday
July 28, 2016

Search: 2 masses, pulley on a frictionless incline

Number of results: 5,886

Physics HELP
Two blocks of masses m1 = 6 kg and m2 = 6 kg are on either side of the wedge shown in the figure above. Find their acceleration and the tension in the rope. Ignore friction and the pulley.
October 7, 2014 by Sabrina

Physics
A box is sliding up an incline that makes an angle of 17.0 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.40 m/s. How far does the box ...
September 17, 2007 by NHS

Physics
A box is sliding up an incline that makes an angle of 12.0 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.30 m/s. How far does the box ...
October 21, 2011 by Peter

Physics
A box is sliding up an incline that makes an angle of 13.0 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.80 m/s. How far does the box ...
October 29, 2012 by Anonymous

bowie
A box is sliding up an incline that makes an angle of 21.8 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.170. The initial speed of the box at the bottom of the incline is 3.48 m/s. How far does the box ...
December 16, 2015 by trish

physics
A box is sliding up an incline that makes an angle of 21.8 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.170. The initial speed of the box at the bottom of the incline is 3.48 m/s. How far does the box ...
December 16, 2015 by trish

physics
A box is sliding up an incline that makes an angle of 21.8 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.170. The initial speed of the box at the bottom of the incline is 3.48 m/s. How far does the box ...
December 16, 2015 by trish

PHYSICS
A box is sliding up an incline that makes an angle of 21.8 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.170. The initial speed of the box at the bottom of the incline is 3.48 m/s. How far does the box ...
December 16, 2015 by James

Physics
An object of mass M = 1,114 g is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 811 g by means of a massless string that extends around a massless, frictionless pulley. Find the tension of the ...
October 10, 2009 by Lisa

Physics
A box is sliding up an incline that makes an angle of 15.0 degrees with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box and the surface of the incline is 1.50 m/s. How far does...
December 8, 2012 by Matoro

uhar
two blocks a and b are connected by a cord passes over a frictionless pulley. the mass of a is 1.2 kg and the magnitude of acceleration is 3.6
March 21, 2013 by ali

Physics
A costant force F iss applied to a crate of mass 25kg to move it upwards along a frictionless inclined plane, when it reaches point A, its speed is 12m.s and 10,8 m,s when it reaches point B which is 3,5m futher up the incline. 5,1 give a reason why the normal force does no ...
March 31, 2015 by Allen C

Physics
A bullet of mass m= 2.5010-2kg is fired along an incline and imbeds itself quickly into a block of wood of mass M= 1.60kg. The block and bullet then slide up the incline, assumed frictionless, and rise a height H= 1.45m before stopping. Calculate the speed of the bullet just ...
December 12, 2014 by katherine

Physics
If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface?
February 15, 2014 by Christina

Work energy
Question Details Three masses m1= 5.0 kg ; m2= 10.0 kg ; m1= 15.0 kg are attached by a strings over frictionless pulleys. The horizontal surface exerts a force of friction of 30N on m2. If the system is released from rest, use energy concepts to find the speed of m2 after it ...
November 19, 2006 by Harry

KINEMATICS (PHY)
A pulley of mass mp , radius R , and moment of inertia about the center of mass Ic=12mpR2 , is suspended from a ceiling. The pulley rotates about a frictionless axle. An inextensible string of negligible mass is wrapped around the pulley and it does not slip on the pulley. The...
November 12, 2013 by rickross

physics
The two masses in the Atwood's machine shown in the figure are initially at rest at the same height. After they are released, the large mass, , falls through a height and hits the floor, and the small mass, , rises through a height . Find the speed of the masses just before ...
July 1, 2010 by meera

Physical science
A trolley of mass of 20kg rolls down an incline from rest. The top of the incline is 10m above the ground. The trolley experiences a constant frictional force of 25N while it rolls down the incline. The velocity attained by the trolley at the bottom of the incline is 12m/s. ...
April 16, 2015 by Ryeth

Physics Classical Mechanics
A pulley of mass mp , radius R , and moment of inertia about the center of mass Ic=12mpR2 , is suspended from a ceiling. The pulley rotates about a frictionless axle. An inextensible string of negligible mass is wrapped around the pulley and it does not slip on the pulley. The...
November 7, 2013 by A

Physics
A horizontal force of 100 N pushes a 12kg block up a frictionless incline that makes an angle 25degrees with the horizontal. What is the normal force that the incline exerts on the block and what is the acceleration of the block? I found part (a) which is the normal force. It ...
September 20, 2010 by Anonymous

11th grade
A box is sliding up an incline that makes an angle of 16.0 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.30m/s. How far does the box ...
September 20, 2010 by shan lalani

PHYSICS
A light spring (k= 130 N/m) is compressed 15 cm between two masses (1.2 kg and 2.4 kg) on a frictionless surface. The system is released and the masses fly apart. Which mass will have the larger magnitude momentum? Why? Which mass will have more kinetic energy? What is the ...
February 23, 2016 by Camille

PHYSICS
On a horizontal frictionless table, masses A and B (3 kg, 6 kg) slide to the right and left, respectively. They have speeds of 3 m/s and 1 m/s, respectively. The two masses collide, and bounce off each other. After the collision, they travel in opposite directions at speeds of...
October 15, 2008 by kelsey

rotations2
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 1.85 m/s when it reaches a 23.5 incline.How far up the incline will it go? How long will it be on the incline before it arrives back at the bottom?
March 11, 2010 by Anonymous

Physics
A pulley system os being used to raise a load. The rope begins at the ceilings, goes down, round a pulley on the load, up to a pulley on the ceiling, back down and around a second pulley on the load, and up to a sheave (a motor driven pulley) on the ceiling. The rope is ...
July 15, 2012 by Alex

physics
A solid sphere of weight 36.0 N rolls up an incline at an angle of 30.0o. At the bottom of the incline the center of mass of the sphere has a translational speed of 4.90 m s-1. Isphere = 2/5mr^2. What is the kinetic energy of the sphere at the bottom of the incline? How far ...
November 13, 2008 by kim

Maths
The pulley in the jib of a crane has a diameter of 56cm. Find: a) The circumference of the pulley b) The number of revolutions turned by the pulley when the crane raises a load through a vertical height of 44m.
November 8, 2014 by Hyaa

Physics
A 4 kg block slides down a frictionless incline making an angle of 60 with the horizontal. (a) What is the total work done on the block when the block slides 2 m (measured along the incline)? (b) What is the speed of the block after it has slid 1.5 m if it starts from rest? (...
November 3, 2010 by Jenni

physics (tension in strin and acceleration of syst
two bodies of 9kg and 5.7kg are attached with ends of a string which passes over a pulley so that both bodies move vertically starting from rest at equal heights,lighter body hits pulley in 1.2sec.find length of string and speed with which it hits pulley.diameter of pulley is ...
August 21, 2011 by ahsan asghar

Physics
A cart of mass M1 = 6 kg is attached to a block of mass M2 = 3 kg by a string that passes over a frictionless pulley. The system is initially at rest and the table is frictionless. After the block has fallen a distance h = 1 m: What is the work Ws done on the cart by the ...
June 13, 2006 by Jamila

physics
a 5kg suitcase slides 2m down a frictionless ramp incline at 45 degress. How fast is it going at the bottom?
January 19, 2011 by Luke

physics
a 65 kg object is pulled at a constant velocity up an incline w/ a force of 95 N parallel to the incline. Assuming that the difference between the work output and input is work required to overcome friction, what is the force of friction along the incline (the length of the ...
April 8, 2011 by Jun

physics
For the system on the diagram, the string is massless, and slides over the pulley without friction. The masses are m1 = 5.7kg and m2 = 6.4kg. what is the magnitude of the acceleration of the system is ( in m/s2)
May 28, 2014 by jake

physics
A block slides on a rough 45 degree incline .the coefficient of friction the block and incline is k. what is the ratio of acceleration when the block accelerates down the incline to the acceleration when the block is projected up the incline?
December 20, 2014 by awash

Physics
Calculate the tension in the cable connecting the two masses. Assume all surfaces are frictionless.
June 10, 2014 by Corey Brown

Physics
Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30 above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg box move, up the plane...
March 4, 2016 by David

Physics 2
Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30 above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg box move, up the plane...
March 4, 2016 by David

physics- energy and work
To push a 33.0-kg crate up a frictionless incline angled at 27.0 to the horizontal, a worker exerts a force of 388 N parallel to the incline. The crate moves a distance of 4.10 m. What work is done on the crate by the worker? What work is done on the crate by the weight of ...
November 12, 2014 by Hi

Physics
a block of mass m= 15.6kg is to be pushed with force F a distance of D=5.65m along an incline so that it s raised a distance h=3.86m in the process.Assuming frictionless surfaces. Determine: A) The work done by the force F parallel to the incline to pst the block up at ...
February 21, 2013 by nemo

physics
A sled is initially given a shove up a frictionless 32.0 incline. It reaches a maximum vertical height 1.50 higher than where it started.
November 15, 2011 by Anonymous

Physics
a horizontal force Pushes a 80 N box up a frictionless 37 degree incline at a constant velocity as shown.? What is the magnitude of P in newtons?
May 5, 2013 by Naveed Khan

Physics(Please help)
1) A box is sliding up an incline that makes an angle of 14.0 with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.176. The initial speed of the box at the bottom of the incline is 3.72 m/s. How far does the ...
May 29, 2012 by Hannah

physic 2210
A pulley (a soild disk) with mass 2kg and radius 0.3 m is attached by massless rope to two blocks of masses m1=1kg and m2=3 kg. what is the acceleration of block 1 after the system is realeased from rest?
November 24, 2014 by john roylance

chm
Why are the atomic masses listed in the periodic table not whole numbers? Answer Scientists have yet to make the precise measurements. That would be too much of a coincidence. ??>>The atomic masses are average atomic masses. or >>Today's instruments are able to ...
February 23, 2013 by jj

Physics
In the figure below, m1 = 3.1 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.1-kg block is μk = 0.27. Find the magnitude of the acceleration of the masses and the tension in the cord. The incline is at at 30 angle.
October 12, 2011 by Jimmy

physics
A crate of mass m (=40 kg) is placed at rest on a (frictionless) inclined plane, which has an angle (= 30o) above horizontal. a.) The force of gravity on the crate is: b.) The normal force on the crate is: size: N c.) The net force on the crate is: size: N direction: d.) How ...
September 23, 2008 by kelsey

physics
Two bodies of mass 3kg and 4kg are suspended at the ends of massless string passing over a frictionless pulley .the acceleration system is
December 25, 2014 by prakhar

physics
A 1.2kg object is placed on a frictionless table and is attached to a hanging mass using a light string over a frictionless pulley in a fletcher's trolley arrangement. The 1.20kg object accelerates along the table at 2.31m/s while the hanging object accelerates down at the ...
April 3, 2013 by maddi

Physics
A solid sphere of mass 2.07kg rolls up an incline with an inclination angle of 24.40. At the bottom of the incline, the center of mass of the sphere has a translational speed of 2.80m/s. a) What is in J, the linear kinetic energy of the sphere at the bottom of the incline? b...
November 4, 2014 by Serena

Physics
A skier is gliding along at 5.0{\rm m/s} on horizontal, frictionless snow. He suddenly starts down a 15{\rm ^{\circ}} incline. His speed at the bottom is 15{\rm m/s} .
October 15, 2012 by Denika

physics
Question Details: A crate of mass1 on a frictionless inclined plane is attached to another crate, mass2 by a massless rope. The rope passes over an ideal pulley so the mass m2 is suspeneded in air. The plane is inclined at an angle 36.9. Use conservation of energy to find how ...
November 11, 2008 by JP

Physics.. last one.
Four balls are suspended by cords. The longer, top cord loops over a frictionless pulley and pulls with a force of magnitude 95 N on the wall to which it is attached. The tensions in the shorter cords are T1 = 56.0 N (between ball A & B), T2 = 46.7 N (between ball B & C), and ...
February 6, 2007 by COFFEE

physics
The system shown in the figure below consists of a mass M = 3.5-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m = 2.2-kg block. The pulley is a uniform...
January 22, 2015 by Johnathan

Physics
A 70 kg person stands on a 30 kg platform and pulls on a massless rope with a force of 400 N. The rope passes around a pulley attached to a support (roof), and then around a second pulley attached to the platform before being anchored to the support (roof). All sections of the...
January 22, 2013 by Adam

Physics
A 500g block is shot up a 25degree incline with an initial speed of 200cm/s. Determine the distance, d, that it will go up the incline if the coefficient of kinetic friction between it and the incline is 0.150? Use Entergy considerations to solve the problem.
May 2, 2013 by Anonymous

physics
Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do this right? how do I ...
November 24, 2015 by Spice

physics
Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do this right? how do I ...
November 24, 2015 by Spice

physics
A 18 kg object and a 6 kg object are hanging over a frictionless pulley. What is the acceleration of the system to the nearest tenth?
November 9, 2009 by JUan

Physics
A 50kg mass and a 85kg mass are hung over a frictionless pulley what is the acceleration of the system
May 26, 2014 by Sam

Physics
A block of mass 5.53 kg lies on a frictionless horizontal surface. The block is connected by a cord passing a. over a pulley to another block of mass 2.25 kg which hangs in the air. Assume the cord to be light (massless and weightless) and unstretchable and the the pulley to ...
February 21, 2014 by Emeera

physics
A 3.00 kg block starts from rest at the top of a 33.0 incline and slides 2.00 m down the incline in 1.75 s. Find the coefficient of kinetic friction between the block and the incline
October 22, 2011 by Johnna

physics
A 50 kg block is on a 30 degree incline. The coefficient of friction between the block and the incline 0.05. If it is given an initial velocity of 10 m/s up the incline, how far will it travel until it stops?
October 19, 2008 by Fred

PHYSICS
A 50 kg block is on a 30 degree incline. The coefficient of friction between the block and the incline 0.05. If it is given an initial velocity of 10 m/s up the incline, how far will it travel until it stops?
October 19, 2008 by Bartholomew

Peter
A 200 N/m, 5 m spring on a 20 degree incline is compressed 2.3 m and a 5 kg block is placed on it. If we neglect friction, how far up the incline will the block travel? How fast will it be traveling when it is 0.2 m up the incline?
January 15, 2009 by Physics

Physics
A bowling ball is rolled up an incline. If the ball has a speed of 12 m/s at the base of the incline, to what height h on the incline will the center mass travel?
October 18, 2011 by Anon

physics
A block of mass 3.62 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 7.8 kg which hangs in the air, as shown. Assume the cord to be light (massless and weightless) and unstretchable and the pulley to...
November 15, 2012 by alice

Physics
A 3.30-kN piano is lifted by three workers at a constant speed to an apartment 28.8 m above the street using a pulley system fastened to the roof of the building. Each worker is able to deliver 197 W of power, and the pulley system is 75.0% efficient (so that 25.0% of the ...
June 17, 2012 by Kristin

Still Physics...
A 200 N/m, 5 m spring on a 20 degree incline is compressed 2.3 m and a 5 kg block is placed on it. If we neglect friction, how far up the incline will the block travel? How fast will it be traveling when it is 0.2 m up the incline?
January 14, 2009 by Phil

Physics
A sled is initially given a shove up a frictionless 24.0 incline. It reaches a maximum vertical height 1.10 m higher than where it started. What was its initial speed?
March 3, 2010 by Luricela

Physics
A sled is initially given a shove up a frictionless 24.0 incline. It reaches a maximum vertical height 1.10 m higher than where it started. What was its initial speed?
March 3, 2010 by Luricela

phy
A sled is initially given a shove up a frictionless 27.0 incline. It reaches a maximum vertical height 1.45 m higher than where it started. What was its initial speed?
September 26, 2010 by mas

AP Physics
a 45 kg object slides down an uneven frictionless incline from rest without rotating. What is its speed after it travels 2.5 meters vertically
October 30, 2010 by Asim

math
the constant angular acceleration of pulley is 4rad/s2, angular speed 3 rad/s, determine the radius of pulley if the total acceleration of a print on the rim of the pulley is 3.5m/s2
July 31, 2012 by ajay

physics
a body of mass2kg is lying on a rough inclined surface of inclination 30 degree .find the magnitude of the force parellel to the incline needed to make the block move .1)up the incline .2)doun the incline. cofficent of static friction is 0.2
November 16, 2011 by Anonymous

physics
A block is at rest on the incline shown in the figure. The coefficients of static and kinetic friction are s = 0.4 and k = 0.34, respectively. The acceleration of gravity is 9.8 m/s. What is the largest angle which the incline can have so that the mass does not slide down ...
September 22, 2015 by king

Physics
A block is placed on a frictionless ramp at a height of 14.5 m above the ground. Starting from rest, the block slides down the ramp. At the bottom of the ramp, the block slides onto a frictionless horizontal track without slowing down.At the end of the horizontal track, the ...
November 13, 2014 by Sam

Physics
A mass of 14 kg is moving at a speed of 39 m/s at the bottom of incline which is inclined at an angle of 51.6 degrees. The incline has friction and the coefficient of kinetic friction is 0.6. The mass travels up the incline and stops due to both gravity and friction and then ...
October 17, 2014 by Kimmy

Physics
Note: I am in Algebra-based Physics Two 35.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley. The pulley is attached to a chain that is fastened to the ceiling. Start solving this problem by making a free-body diagram of each ...
September 30, 2006 by Josie

Physics
An object (m=2.85 kg) is attached to a disk-shaped pulley. The diameter of the pulley is 0.242 and its weight is 7.272 N. Suppose the object is allowed to fall (a) What is its linear acceleration? (b) What is the angular acceleration of the pulley? (c) How far does the bucket ...
November 27, 2012 by Hank

Physics
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 mass of 1.9 . As the pulley turns, friction at the axle exerts a torque of magnitude 0.40 . If the blocks are released from rest, how long does it ...
February 21, 2011 by Saif sidd

another rotation
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 1.85 m/s when it reaches a 23.5 incline.How far up the incline will it go? How long will it be on the incline before it arrives back at the bottom? Again, I am so confused about these problems and how to...
March 11, 2010 by Liz

math
A pulley whose diameter is 9 inches is connected by a belt to another pulley whose diameter is 6 inches. If the larger pulley runs at 1200 revolutions per minute, at how many revolutions per minute does the smaller pulley run? a. 800 b. 1080 c. 1600 d. 1800 e. 2000 please ...
April 23, 2014 by thomas

physics
Two masses are attached to an Atwood machine. the mass of block A is 12.3kg and the mass of B is 4.2kg. the pulley is massless but has kinetic friction of 16N. The blocks are released from rest, what is the acceleration of the system
December 4, 2009 by kelly

Physics
A box slides down a frictionless, 10-meter, 30o incline. Calculate the gravitational potential energy at both the beginning and end of the motion. Calculate the work done by GRAVITY as the box slides down the incline. Compare this to the overall change in gravitational ...
March 22, 2016 by Julie

Physics
An object slides down a frictionless 33 degree incline whose vertical height is 54.0 cm. How fast is it going in meters/second when it reaches the bottom?
July 2, 2012 by Lauren

Physics
Item 4 Two 2.0 masses are 1.0 apart on a frictionless table. Each has 1.0 of charge Part A - What is the magnitude of the electric force on one of the masses? Express your answer using two significant figures. = Part B - What is the initial acceleration of each mass if they ...
August 28, 2011 by Paige

Science
A block is released from rest on a 45 degree incline and then slides a distance "d". If time taken to slide a rough incline in "n" times as large as that to slide on a smooth incline. Find the coefficient of friction.
October 21, 2010 by Manish Jack

Physics
A 4 kg bundle starts up a 30o incline with 128 J of kinetic energy. How far will it slide up the incline if the coefficient of friction between bundle and incline is 0.30? Pls help me solve this, I dont know what formula to use...
November 22, 2014 by Jeiffer

Physics problem.. :/
A 8.7 kg block is on a frictionless surface. It is connected by a string over a pulley to a 8.6 kg hanging mass. Find the acceleration of the block. ?
November 17, 2011 by Kat

physics
The pulley is light and frictionless. Find the mass M1, given that M2 (7.00 kg) is moving downwards and accelerates downwards at 3.01 m/s2, that θ is 15.0, and that μk is 0.270.
February 25, 2014 by Laura

physics
A light rope is attached to a block with a mass of 6 kg that rests on a horizontal, frictionless surface. THe horizontal rope passes over a frictionless, massless pulley, and a block of mass m is suspended from the other end. When the blocks are released, the tension in the ...
November 16, 2006 by Christina

Physics
A box is sliding down an incline tilted at an angle of 2.14 above horizontal. The box is sliding down the incline at a speed of 5.15 m/s. The coefficient of kinetic friction between the box and the incline is 0.387. How far does the box slide down the incline before coming ...
June 25, 2015 by Jen

PHYSICS
A wheel in the shape of a uniform disk of radius R and mass mp is mounted on a frictionless horizontal axis. The wheel has moment of inertia about the center of mass Icm=(1/2)mpR2 . A massless cord is wrapped around the wheel and one end of the cord is attached to an object of...
November 18, 2013 by Anonymous

physics
A pulley rotating in the counterclockwise direction is attached to a mass suspended from a string. The mass causes the pulley's angular velocity to decrease with a constant angular acceleration α = -2.2 rad/s2. If the pulley's initial angular velocity is ω = 5.37 rad...
November 4, 2010 by aok

physics
a 250 kg crate is placed on an adjustable incline plane. If the crate slides down the incline with an exceleration of 0.7 m/s squared when the incline angle is 25 degrees, then what sould the incline angle be in order for the crate to slide down the plane at a constant speed? ...
October 22, 2011 by uta

physics
A solid ball of radius b and mass m is released from the top of an incline of the incline is at the height h above the ground. If the ball rolls without slipping, what willl be its linear speed when it reaches the botton of the incline?
November 25, 2011 by pakilina

physics
Two small metal spheres with masses 2.0 and 4.0 are tied together by a 5.4--long massless string and are at rest on a frictionless surface. Each is charged to +2.4 .
February 20, 2011 by carlyle

science
The blocks shown are released from rest with the spring unstretched. The pulley and the horizontal surface are frictionless. If k = 427.1 N/m and M = 4.5 kg, what is the maximum extension of the spring?
May 3, 2015 by haddad

physics
Item 4 Two 2.0 masses are 1.0 apart on a frictionless table. Each has 1.0 of charge. Part A - What is the magnitude of the electric force on one of the masses? Express your answer using two significant figures. = Try Again; 3 attempts remaining Part B - What is the initial ...
August 29, 2011 by Paige

Science
To lift a load to the roof, you apply 21 N of force to a pulley. The pulley applies 21 N of force to the load. What is the mechanical advantage of the pulley? A.0 B.1 C.40 D.21
May 21, 2014 by Shelin

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>