A ball moving with a velocity v strike a wall moving towards the ball with a velocity u. An elastic impact lasts for t second.then the mean elastic force acting on the ball is

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Arun · Answer

Dear Wasim Relative speed of ball = (v+u) speed after rebouncing = – (v+u) F = m * dv/dt = m [v+ u + v + u]/t F = 2m (v+ u) /t

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A ball moving with a velocity v strike a wall moving towards the ball with a velocity u. An elastic impact lasts for t second.then the mean elastic force acting on the ball is

A ball moving with a velocity v strike a wall moving towards the ball with a velocity u. An elastic impact lasts for t second.then the mean elastic force acting on the ball is

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A ball moving with a velocity v strike a wall moving towards the ball with a velocity u. An elastic impact lasts for t second.then the mean elastic force acting on the ball is

A ball moving with a velocity v strike a wall moving towards the ball with a velocity u. An elastic impact lasts for t second.then the mean elastic force acting on the ball is

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