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Physics

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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.

  • Physics -

    again, I don't see how an answer can be achieved without knowing about the inertia of the cylinder. If it rotates, it gains some of the energy.

  • Physics -

    the problem dosent say it has a radius of .20 m

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