A 200 g ball moving at 5 m/s strikes a wall perpendicular and rebounds elastically at the same speed. The impulse given the wall is

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2016-09-24 14:13:32

Impulse in physics is the integral of force, F, with respect with time, t. This value is a vector quantity since force is a vector quantity as well. It can be calculated from the product of force and time. We do as follows: Impulse = Ft = m(a)(t) = m(v/t)t = mv = .200 (5) = 1 N-s

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