# Question: A 170 g hockey puck sliding on ice perpendicularly impacts a

A 170-g hockey puck sliding on ice perpendicularly impacts a flat piece of sideboard. Its incoming momentum is 6.10 kg ∙ m/s. It rebounds along its incoming path after having suffered a momentum change (magnitude) of 8.80 kg ∙ m/s.

(a) If the impact with the board took 35.0 ms, determine the average force (including direction) exerted by the puck on the board.

(b) Determine the final momentum of the puck.

(c) Was this collision elastic or inelastic? Prove your answer mathematically.

(a) If the impact with the board took 35.0 ms, determine the average force (including direction) exerted by the puck on the board.

(b) Determine the final momentum of the puck.

(c) Was this collision elastic or inelastic? Prove your answer mathematically.

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