Physics, 18.11.2020 21:30 ckenyewildon
A tennis ball moves to the left at a speed of 20 m/s. After being hit, it proceeds to move to the right at a speed of 20 m/s. What is the change in speed during this process?
40 m/s
20 m/s
-20 m/s
0
Answers: 3
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A tennis ball moves to the left at a speed of 20 m/s. After being hit, it proceeds to move to the ri...
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