Physics, 24.02.2021 16:50, ronaldo22

What happens to the speed of light if it travels from water into air?

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Physics, 22.06.2019 08:00, Savageboyn

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Physics, 22.06.2019 13:20, monkeygaming274

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Physics, 22.06.2019 21:10, bri9263

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.