Physics, 26.03.2020 16:55 swelch2010
An ice-skater pushes off from a wall and skates 20 m across the ice. The skater did 2 J of work. If the skater used twice as much force, what would happen to the work done?
Answers: 3
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Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground
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There are weak or strong attractive forces between atoms of liquids with a high viscosity
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With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
Answers: 1
An ice-skater pushes off from a wall and skates 20 m across the ice. The skater did 2 J of work. If...
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