A 1.0 kg ball moving at 6.0 m/s strikes and sticks to a 3.0 kg ball at rest. The final speed of the combined mass is
- A
6.0 m/s
- B
2.0 m/s
- C
0 m/s
- Dcheck_circle
1.5 m/s (momentum conservation: kg·m/s; )
Explanation
Perfectly inelastic: . m/s.
Elastic and Inelastic Collisions
AP Physics 1· difficulty 4/5
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