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Physics, 05.05.2020 12:24 baue4431

A 10 kg block slides on a frictionless surface at 10 m/s . It hits a rough patch 3 meters long with a coefficient of kinetic friction of 0.4. When it reenters the frictionless surface , how fast is it going?

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A 10 kg block slides on a frictionless surface at 10 m/s . It hits a rough patch 3 meters long with...
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