Two identical billiard balls can move freely on a horizontal table. Ball a has a velocity V0 and hits balls B, which is at rest, at a point C defined by θ=45°. knowing that the coefficient of restitution between the two balls is e=0.8 and assuming no friction , determine the velocity of each ball after impact?

Velocity of ball B after impact is and ball A is

Explanation:

= Initial velocity of ball A

= Initial velocity of ball B = 0

= Final velocity of ball A

= Final velocity of ball B

= Coefficient of restitution = 0.8

From the conservation of momentum along the normal we have

Coefficient of restitution is given by

Adding the above two equations we get

From the conservation of momentum along the plane of contact we have

Velocity of ball B after impact is and ball A is .

answer:

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answer:

a

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