Physics newton's laws question friction .
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Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
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Physics, 22.06.2019 16:00
The solid that is formed and usually sinks to the bottom of a solution is the
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Physics, 22.06.2019 16:40
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
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