4. Find the work done by a parent to horizontally push their child and sled (total mass= 55.0 kg) across a field of snow
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4. Find the work done by a parent to horizontally push their child and sled (total mass= 55.0 kg) across a field of snow
4. Find the work done by a parent to horizontally push their child and sled (total mass= 55.0 kg) across a field of snow (with coefficient of kinetic friction = 0.120) over a distance of 50.5 m at a constant velocity. What is the work done by friction, the work done by gravity and the work done by the normal force?
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