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65. A lacrosse ball (m = 0.145 kg) is thrown against a vertical wall at angle, θ = 360, with a velocity of 38 m/s as shown below. Assume a perfectly elastic collision. What is the impulse delivered to the ball by the wall?
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Answer #1

Impulse is equal to change in linear momentum.Nelocity obal before coision invector form velouity of Ba After coisioh -

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