Tucker Barker
09/07/2023 · Junior High School
3. Alex throws a \( 0.15-\mathrm{kg} \) rubber ball down onto the floor. The ball's speed just before impact is \( 6.5 \mathrm{~m} / \mathrm{s} \), and just after is \( 3.5 \mathrm{~m} / \mathrm{s} \). What is the change in the magnitude of the ball's momentum? a. \( 0.09 \mathrm{~kg} \cdot \mathrm{~m} / \mathrm{s} \) b. \( 1.5 \mathrm{~kg} \cdot \mathrm{~m} / \mathrm{s} \) c. \( 4.3 \mathrm{~kg} \cdot \mathrm{~m} / \mathrm{s} \) d. \( 126 \mathrm{~kg} \cdot \mathrm{~m} / \mathrm{s} \)
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The change in the magnitude of the ball's momentum is \( 0.45 \, \text{kg} \cdot \text{m/s} \).
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