Tuesday, March 8, 2022

The coefficient of friction between the block of mass m₁ and the horizontal surface in Figure is 𝛍ₖ

The coefficient of friction between the block of mass m₁ and the horizontal surface in Figure is 𝛍ₖ. 

 The system starts from rest. 

 What is the speed of the ball of mass mwhen it has fallen a distance h?


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Kinetic Energy

A ball of mass m has momentum p . Express the kinetic energy of the ball in terms of m and p .    p 2 /(2 m )