NEET2019Physics-Collisions
NEET 2019 Physics Elastic Collisions MCQ Question
Type: MCQ-numerical-Hard-Class 11
Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost by the colliding body A is:
A
4/9
B
5/9
C
1/9
D
8/9
Correct Answer
Option D
Detailed Explanation
In an elastic collision, the fraction of energy lost by body A can be calculated using the formula for energy conservation and relative velocities.
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