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Block A of mass mA=6kg ,slides down an incline from a height of 10 m from...

Block A of mass mA=6kg ,slides down an incline from a height of 10 m from the ground. Block A then collide with block B, with a mass mB=8kg which is at rest in the ground. The collision is elastic. There is no friction between the blocks and the incline nor between the blocks and the ground.

a) Find the velocity of A before it collides with B ( 5 points)

b) Find the maximum height that block A climbs up in the incline after the collision (10 point)

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