Physics, 20.05.2021 19:10, jay555538

An 190,000 W engine can accelerate from rest to a top speed in 9 s. How much work did the engine do?

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Physics, 22.06.2019 05:10, blondesaturn

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Physics, 22.06.2019 06:00, 19thomasar

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Physics, 22.06.2019 18:30, jonathanvega424

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?

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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.