A ball of mass 1kg strikes a wedge of ma...

A ball of mass 1kg strikes a wedge of mass 4kg horzontally with a velocity of `10m//s`. Just after collision, velocity of wedge becomes `4m//s`.Friction is absent everywhere and collision is elastic. Select the correct alternative.

speed of ball just after collision is 6 m/s

speed of ball just after collision is 8 m/s

Impulse between ball and wedge during collision is 16 N-s

Impulse between ball and wedge during collision is 32 N - s

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A, D

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