Question
While sliding horizontal on a frictionless surface at a speed of 30 m/s, a hockey puck of mass 0.16 kg is struck by a hockey stick. After leaving the stick, the puck has a speed of 22 m/s in the opposite direction. The magnitude of the impulse given to the puck is _____ N s.
Answers
bobpursley
impulse=changemomentum=mass(30+22)
= .16*52 Ns
= .16*52 Ns
wait where did you get 52 from?
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