A 0.10-kg ball, traveling horizontally at 25 m/s, strikes a wall and rebounds at 19 m/s. What is the magnitude of the change in the momentum of the ball during the rebound?
A) $5.4 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
B) $1.8 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
C) $4.4 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
D) $1.2 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
E) $72 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$

Question

A  0.10-kg ball, traveling horizontally at  25 m/s, strikes a wall and rebounds at  19 m/s. What is the magnitude of the change in the momentum of the ball during the rebound?
A) $5.4 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
B) $1.8 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
C) $4.4 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
D) $1.2 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
E) $72 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$

Quizplus · Accepted Answer

The Answer of A  0.10-kg ball, traveling horizontally at  25 m/s, strikes a wall and rebounds at  19 m/s. What is the magnitude of the change in the momentum of the ball during the rebound?
A) $5.4 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
B) $1.8 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
C) $4.4 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
D) $1.2 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$
E) $72 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }$

A 010-Kg Ball, Traveling Horizontally at 25 M/s, Strikes a Strikes