A 170-g hockey puck sliding on ice perpendicularly impacts, Ask an Expert

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A 170-g hockey puck sliding on ice perpendicularly impacts a flat piece of sideboard. Its incoming momentum is 6.50kg*m/s . It rebounds along its incoming path after having suffered a momentum change (magnitude) of 8.80kg*m/s

A) If the impact with the board took 33.0ms , determine the magnitude of the average force exerted by the puck on the board. (in N)

B) Determine the magnitude of the the final momentum of the puck. (in kg * m/s)

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