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One of the advantages of skates is that they allow you to push against ice, which typically...

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Physics

One of the advantages of skates is that they allow you to pushagainst ice, which
typically has low friction. Let’s consider an hockey player onfrictionless ice who is
going to shoot a slap shot. The player weighs Mp = 100kg. He isgoing to fire the
puck, which weighs Mpuck = 0.5kg with a velocity of v = 50(m/s).How fast does the
hockey player recoil in the direction opposite to the puck’strajectory. If the force he
exerts on the puck occurs over a time, ∆t = 0.1s what is theaverage force needed to
create the impulse that accelerates the puck to that velocity?

Please explain carefully so that I can understand it!

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