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Physics, 27.09.2019 01:00, CoreyHammond1517
Aspring scale reads 20 n as it pulls a 4 kilogram box across a table. what is the magnitude of the force exerted by the mass on the spring scale, if the frictional force is assumed to be equal to zero?
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Answers: 1
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Physics, 22.06.2019 23:40, Demondevilg
Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.
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Aspring scale reads 20 n as it pulls a 4 kilogram box across a table. what is the magnitude of the f...
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