Tuesday
March 28, 2017

Post a New Question

Posted by on .

A boxer punches a 50 Kg bag. Just as his fist hits the bag, it travels at a speed of 7 m/s. As a result of hitting the bag, his hand comes to a complete stop. Assuming that the moving part of his hand weigh 5 Kg, calculate the rebound velocity and kinetic energy of the bag.

  • Physics - ,

    Momentum is conserved. initial momentum of the fist, that has to equal the final momentum of the bag. Calculate its velocity, then its KE.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question