HARD
JEE Main/Advance
IMPORTANT
Earn 100

A particle strikes a smooth horizontal surface at an angle and it rebounds at an angle as shown


(a)If collision is perfectly in elastic, then particle will stop immediately after the collision and will not be defined
(b)If collision is perfectly inelastic, then particle will not stop after the collision
(c), if collision is perfectly elastic
(d), if collision is perfectly inelastic

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Important Questions on Work, Energy and Power
HARD
JEE Main/Advance
IMPORTANT
Friction between the rigid rod of mass and wedge of mass is zero while the coefficient of friction between ground and wedge is . A force is applied on the wedge, so that rod moves with constant velocity in upward direction as shown. What will be the power() delivered by force ? (take )
