(Answered) A 15kg ball is on a slope with an initial height of 2 m it

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A 1.5kg ball is on a slope with an initial height of 2 m. It rolls down the slope and collides with a stationary 6.0 kg ball. The collision is elastic.

a) What is the velocity of the 1.5 kg ball before it hits the 6.0kg ball?

b) What are the velocities of both balls after the collision?

c) After the collision, the 1.5 kg ball goes back up the slope. What is the maximum height it reaches?

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