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(a) What do you mean by impulse of force? Show that impulse of a force is equalto the change in momentum produced by the force.(b) A ball of mass 200 g hits a wall at an angle of 45° with a velocity of 15 m/s.Ifthe ball rebounds at 90° to the direction of incidence, calculate the impulsereceived by the ball. |
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Answer» b) |
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