Thursday
July 31, 2014

Homework Help: Physics

Posted by Andrei on Thursday, May 28, 2009 at 12:40pm.

A cord connected at one end to a block which can slide on an inclined plane has its other end wrapped around a cylinder resting in a depression at the top of the plane as shown in the figure (Intro 1 figure) . Determine the speed of the block after it has traveled 1.80 m along the plane, starting from rest.
Assume there is no friction.
Express your answer using two significant figures.
v =1.6 \rm m/s
Correct
Assume the coefficient of friction between all surfaces is mu = 3.70×10−2. [Hint: In part B first determine the normal force on the cylinder, and make any reasonable assumptions needed.]
Express your answer using two significant figures.

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