Show that 140 W of power is expended when a 20-N force pushes a cart 3.5 m
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Show that 140 W of power is expended when a 20-N force pushes a cart 3.5 m in a time of 0.5 s.
Gravitational potential energy = weight Χ height, PE = mgh
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Related Book For
Conceptual Integrated Science
ISBN: 9780321818508
2nd Edition
Authors: Paul G Hewitt, Suzanne A Lyons
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