Momentum Conservation in a Collision
A 0.5 kg ball moving horizontally at 10 m/s strikes a 5 kg block initially at rest on a frictionless surface. The ball rebounds with a speed of 8 m/s in the opposite direction. If air resistance is negligible, for which of the following systems is linear momentum conserved?
A
Ball + block + Earth system
B
Block alone
C
Ball alone
D
Ball + block system
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