Physics, 18.12.2021 04:40, 2020seogang
A ball rolls down a hill from rest to a final speed of 20.0 m/s in 10.0 seconds. If the ball has a mass of 4.5 kg,
what is the net force acting on it?
A. 2.0 N
B. 9.0 N C. 200 N D. -45 N
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Answers: 3
Physics, 22.06.2019 09:30, kaleahlove13
Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?
Answers: 2
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