A sphere of mass `m` slides with velocity `v` on as frictionless surface towards a smooth inclined wall as shown in figure. If the collision with the wall is perfectly elastic find a. the impulse imparted by the wall on the sphere `b` the impulse imparted by the floor on the sphere.
Text Solution
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As the coefficient is elastic so the sphere will rebound with the same speed after collision. `J_(1)costheta=J_(2)`…….i `-mv+J_(1)sintheta=mv`…………..ii solving eqn i and ii we get `J_(2)=2mv cot theta` `J_(1)=2mv cosec theta`
A ball of mass m strikes a rigid walJ with speed u and rebounds with the same speed. The impulse imparted to the ball by the wall is
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CENGAGE PHYSICS ENGLISH-CENTRE OF MASS-INTEGER_TYPE