Physics · Collision
A mass m with velocity v approaches a stationary mass M along the x-axis. The masses bounce off each other elastically in one dimension. If vf and Vf represent the final velocities of masses m and M respectively, which of the following is true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1vf = mvm + M, Vf = Mvm + M
- 2vf = (m - M)vm + M, Vf = 2mvm + M✓
- 3vf = 0, Vf = v
- 4vf = v, Vf = v
Correct answer
vf = (m - M)vm + M, Vf = 2mvm + M
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