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A 24 kg girl slides down a playground slide that is 3.7 m high.?
When she reaches the bottom of the slide, her speed is 1.3 m/s.
(a) How much energy was dissipated by friction?
(b) If the slide is inclined at 20°, what is the coefficient of friction between the girl and the slide?
What must be the distance in meters between point charge q1 = 28.3 µC and point charge q2 = -58.1 µC for the electrostatic force between them to have a magnitude of 5.58 N
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Determine the magnitude of the average net force
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A rock of mass 0.210 kg falls from rest from a height of 20.8 m into a pail containing 0.429 kg of water. determine the rise in temperature of the rock
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