Problem on average force exerted by the plate on the ball
A 5.00-kg steel ball is dropped onto a copper plate from a height of 10.0 m. If the ball leaves a dent 3.20 mm deep, what is the average force exerted by the plate on the ball during the impact?
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A 500 watt heater is used to heat water in a plastic bucket. Assume that 90% of the heat produced by the heater goes into heating the water. How long does it take for 2 kg of water at 100 degrees C to completetly change to steam at the same temper
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A person starts walking from home and walks: 4 miles East. Find the total displacement vector for this walk. If this person walked straight home, they'd have to walk.
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