Calculate the kinetic energy that the rock gains while falli
A 1.6 kg rock initially at rest loses 408 J of potential energy while falling to the ground. Assume that air resistance is negligible.
Calculate the kinetic energy that the rock gains while falling.
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You slide a 325-N trunk up a 20.0° inclined plane with a constant velocity by exerting a force of 214 N parallel to the plane. What is the coefficient of friction?
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A 1.6 kg rock initially at rest loses 408 J of potential energy while falling to the ground. Assume that air resistance is negligible. Calculate the kinetic energy that the rock gains while falling.
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A piece of Nichrome wire has a radius of 5.50 10-4 m. It is used in a laboratory to make a heater that dissipates 3.00 102 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the nece
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