Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. The work done on object A is 500 J.  After the force has pulled each object, object A moves twice as fast as object B. How much work is done on object B?  What is the kinetic energy of object A after being pulled?  What is the kinetic energy of object B after being pulled?     What is the ratio of the mass of object A to the mass of object B?

Question

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. The work done on object A is 500 J.  After the force has pulled each object, object A moves twice as fast as object B.

How much work is done on object B? 

What is the kinetic energy of object A after being pulled? 

What is the kinetic energy of object B after being pulled?    

What is the ratio of the mass of object A to the mass of object B? 

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Work,Power and Energy

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