Answer to Question #227737 in Physics for alya

Question #227737

A ball with mass 350 g is moving horizontally with a speed 12 m s-1

, hits a wall and

rebound at 15 m s-1 within 0.1 s. Calculate the impulse and the magnitude of force by

wall acting on the ball.

Expert's answer

"p=2mv=2(0.35)(12)=8.4\\frac{kg\\cdot m}{s}\\\\F=\\frac{8.4}{0.1}=84\\ N"

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