Physics, 15.07.2020 02:01 sbhishop19
A. Mary’s 40 kg brother is at rest on a swing 0.50 m off the ground. She pulls him up until he is 2.0 m off the ground and releases him. How fast is her brother moving after he passes the bottom and has gone up to 1.5 m off the ground?
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A. Mary’s 40 kg brother is at rest on a swing 0.50 m off the ground. She pulls him up until he is 2....
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