Multiple Choice
A ball with original momentum +7.0 kg⋅m/s hits a wall and bounces straight back without losing any kinetic energy.The change in momentum of the ball is:
A) 0.
B) 14 kg⋅m/s.
C) 7.0 kg⋅m/s.
D) -14 kg⋅m/s.
E) -7.0 kg⋅m/s.
Correct Answer:
Verified
Correct Answer:
Verified
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