Physics, 14.02.2021 06:50 adelarangelmartinez
A girl and her skateboard have a combined mass of 28 kg and a speed fo 3 m/s. Her mother stands on the sidewalk and hands the girl a 2 kg backpack as she passes by. What is her final speed?
Answers: 2
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A girl and her skateboard have a combined mass of 28 kg and a speed fo 3 m/s. Her mother stands on t...
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