Work Energy And Power Question 135

Question: A sphere collides with another sphere of identical mass. After collision, the two spheres move. The collision is inelastic. Then the angle between the directions of the two spheres is [KCET 1994]

Options:

A) $ 90{}^\circ $

B) $ 0{}^\circ $

C) $ 45{}^\circ $

D) Different from $ 90{}^\circ $

Show Answer

Answer:

Correct Answer: D

Solution:

Angle will be $ 90{}^\circ $ if collision is perfectly elastic



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