Answer to Question #155221 in Physics for Chrissy

Question #155221

A 50 g slug slides down a 2.0 m long drain pipe. If the slug's speed at the bottom of the pipe is only 3.0 m/s, how much energy was dissipated as heat caused by friction?

Expert's answer

"Q=mgh-0.5mv^2\\\\Q=(0.05)((9.8)(2)-0.5(3)^2)=0.755\\ J"

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