AP Physics 1
4.4 Elastic and Inelastic Collisions
4.3 Conservation of Linear Momentum
4.1 Linear Momentum
3.4 Conservation of Energy
3.3 Potential Energy
3.2 Work
3.1 Translational Kinetic Energy
Multi-Unit
A boy of mass \( m \) and a girl of mass \( 2m \) are initially at rest at the center of a frozen pond. They push each other so that she slides to the left at speed \( v \) across the frictionless ice surface and he slides to the right. What is the total work done by the children?
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