Physics · System of Particles and Rotational Motion
Two solid rubber balls A and B having masses 200 g and 400 g respectively are moving in opposite directions. The initial velocity of A is 0.3 m/s. If the two balls come to rest after a head-on collision, what was the initial velocity of B?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.15 m/s
- 21.5 m/s
- 3-0.15 m/s✓
- 4-1.5 m/s
Correct answer
-0.15 m/s
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