What is the coefficient of friction between the skates and the ice?
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Physics, 21.06.2019 21:30
In what direction does the medium move relative to the direction of the wave? explain.
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Physics, 21.06.2019 22:10
Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.
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Physics, 22.06.2019 00:00
Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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Physics, 22.06.2019 02:00
Aplane travels 1000 miles in 5 hours .what is the planes average speed?
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Mathematics, 05.11.2020 17:50
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