Question

A ball of mass 20 kg moving at 2 m/s horizontally strikes another ball of mass 12 kg at rest. If after the collision, the 20 kg ball is now moving with a velocity of 1 m/s at an angle of 30° with the horizontal. Find the final velocity of the 12 kg ball.

• A. 2.54 i + 1.62 j
• B. 2.54 i - 1.62 j
• C. 1.89 i + 0.83 j
• D. 1.89 i - 0.83 j

Answer 1

The correct option is D 1.89 i - 0.83 j

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