Multiple Choice
A 0.20-kg ball, traveling east at 20 m/s, strikes a wall and rebounds at 18 m/s. The change in the ball's momentum is
A) 7.6 N.s, west.
B) 0.4 N.s, west.
C) 2.0 N.s.
D) 0.4 N.s, east.
E) 7.6 N.s, east.
Correct Answer:
Verified
Correct Answer:
Verified
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