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 $
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Answer:
Correct Answer: D
Solution:
Angle will be $ 90{}^\circ $ if collision is perfectly elastic