A 3.0-kg ball with an initial velocity of (4 + 3
) m/s collides with a wall and rebounds with a velocity of (−4
+ 3
) m/s. What is the impulse exerted on the ball by the wall?
A) +24 N
s
B) −24 N
s
C) +18 N
s
D) −18 N
s
E) +8.0 N
s
Correct Answer:
Verified
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