Answer to Question #112554 in Mechanics | Relativity for Rethabile Force

Question

You are watching a hockey game . Your team'’s goalie is at rest when he catches a 0.18-kg puck moving straight toward him. The announcer says it was a 35 m/s slap shot. so that there is negligible friction to impede his subsequent motion. The collision is too fast to observe quantitatively, but by running the video in slow motion, you can tell that the goalie’s glove is 150 mm from his body when the puck strikes and is right against his chest after the successful catch. It is also clear that the stunned goalie (holding the puck) drifts backward at 71 mm/s for a second or two after the collision is over. The direction of the puck’s initial velocity is the +x direction.

1.Compute the average acceleration of the puck during the collision.
2.Compute the average acceleration of the goalie during the collision.
3.Determine the inertia of the goalie.
4.How much kinetic energy is converted to thermal energy in the glove?

Answer 1

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