A 21.7-kg child descends a slide 3.5m high and reaches the bottom with a speed of 2.2m/s.
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Apply the conservation of energy to the child considering work done by gravity and work ch...View the full answer
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Related Book For 
Fundamentals of Physics
ISBN: 978-1118230725
10th Extended edition
Authors: Jearl Walker, Halliday Resnick
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