Physics, 18.03.2021 17:50 dereklilgoat
A 20-kilogram concrete block is dropped from the top of a tall building near a construction site. The block has fallen a distance of 50 meters and has a speed of 28 meters per second when it hits the ground. Calculate the work done by friction by the block as it fell.
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A 20-kilogram concrete block is dropped from the top of a tall building near a construction site. Th...
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