Physics · Work, Power and Energy
A particle of mass m with an initial velocity u î collides perfectly elastically with a mass 3m at rest. If it moves with a velocity v ĵ after collision, then v is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1v = u√6
- 2v = u√2
- 3v = u√3
- 4v = u √23✓
Correct answer
v = u √23
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