sanabriaarami sanabriaarami

24-03-2017
Physics

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A 0.25 kg hockey puck is sliding along the ice with an initial velocity of 5 m/s when a player strikes it with his stick, causing it to reverse its direction and giving it a velocity of 30 m/s. The impulse the stick applies to the puck is what value?

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Аноним Аноним

24-03-2017

I = Δmv = mv₁ - mv₂

m = 0.25 kg
v₁ = 5 m/s
v₂ = - 30 m/s

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