Physics, 05.05.2020 17:35 dylanentwistle5197
Brittany stands at rest on a skateboard. The combined mass of Brittany and the skateboard is 62 kg. Dave tosses a 3.7-kg pumpkin to Brittany, and when she catches it, she and the skateboard begin to roll backward with a speed of 0.18 m/s.
What was the speed of the pumpkin?
Answers: 1
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A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
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Brittany stands at rest on a skateboard. The combined mass of Brittany and the skateboard is 62 kg....
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