Friday
December 13, 2013

Posts by priyanka

Total # Posts: 41

Physics
A spoked wheel with a radius of 44.0 cm and a mass of 1.90 kg is mounted horizontally on frictionless bearings. JiaJun puts his 0.550-kg guinea pig on the outer edge of the wheel. The guinea pig begins to run along the edge of the wheel with a speed of 18.0 cm/s with respect t...

Physics
Sorry ignore what I said here before...the ball is at the top and it slides to the right then it goes up a little which makes a curve which is distance R and the distance it slides from top to botton is H...hope you have an idea now!

Physics
Sorry, but this is still confusing there is no radius given besides the info I have provided earlier!

Physics
A bucket of water with a mass of 4.0 kg is attached to a rope that is wound around a cylinder. The cylinder has a mass of 8.0 kg and is mounted horizontally on frictionless bearings. The bucket is released from rest. (a) Find its speed after it has fallen through a distance of...

Physics
sorry I divided it by total mass 10.7 not eleven, but I do get wrong answer :/ !

Physics
Belinda needs to find the center of mass of a sculpture she has made so that it will hang in a gallery correctly. The sculpture is all in one plane and consists of various shaped uniform objects with masses and sizes as shown. The length of the rectangle is L = 1.4 m and the m...

Physics
Thank you Drwls! I really appreciate your help.

Physics
A 44.0-kg woman stands at one end of a 148 kg raft that is 6 m long. The other end of the raft is 0.5 m from a pier. (a) The woman walks toward the pier until she gets to the other end of the raft and stops there. Now what is the distance between the raft and the pier? in m pl...

Physics
Thank you!

Physics
In the railroad freight yard, an empty freight car of mass m rolls along a straight level track at 1.1 m/s and collides with an initially stationary, fully loaded boxcar of mass 4.3m. The two cars couple together upon collision. (a) What is the speed of the two cars after the ...

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