Write True or False. If False, rewrite the statement as a true.
9. When a collision occurs between two objects, the vector sum
of the momenta changes.
10. All collisions conserve momentum and can be distinguished
on the basis of whether they also
conserve kinetic energy.
11. During a hockey game, a stationary goalie stops a puck. If
we know his kinetic energy after the save,
we can determine the initial kinetic energy of the puck.
12. When two bodies...