Find the velocity of the red ball after the collision

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Reference no: EM13998323

A blue ball moving with 45 m/s strikes a red stationary ball of identical mass. After the collision the blue ball moves at 20 m/s, at an angle θ = 60° with respect to the original line of motion.

814_A blue ball moving with strikes a red stationary ball of identical mass.png

(a) Find the velocity of the red ball after the collision, and find the angle Φ

(b) Is the collision elastic or inelastic? -you must show a calculation to get marks for this question.

Reference no: EM13998323

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