Energy of the the ball rolling on an inclined plane

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Wed, 10/06/2010 - 23:32
jjozef
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Joined: Mar 22 2010

ball A was place on top of the inclined plane,. the mass of ball A is 1 kg and of ball B is 2 kg. it collided with ball B after travelling 30 m on the floor. the coefficient of friction between ball A and the floor is 0.2 (smooth surface,no Friction)

A. what is the potential energy of the ball at the top?
B. what is the balls deceleration from point A to Point B?

Mod Edit: Change the title from "can anyone solve this problem?" to "Energy of the the ball rolling on an inclined plane".


 


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Wed, 10/06/2010 - 23:32
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jjozef
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Joined: Mar 22 2010
Re: can anyone solve this problem?

ball A was place on top of the inclined plane,. the mass of ball A is 1 kg and of ball B is 2 kg. it collided with ball B after travelling 30 m on the floor. the coefficient of friction between ball A and the floor is 0.2 (smooth surface,no Friction)

A. what is the potential energy of the ball at the top?
B. what is the balls deceleration from point A to Point B?

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Wed, 04/20/2011 - 08:33
#2
Dario
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Joined: Apr 24 2009
Re: Energy of the the ball rolling on an inclined plane

I think some important data are missing and not clearly defined like angle of inclination and location of points A and B. Are points A and B the initial position of balls A and B? There is a 0.2 coefficient of friction but you enclose a parenthesis stating smooth surface and no friction. What really is the situation, because if it is smooth surface, the coefficient of friction would be zero?

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