Suppose a gas-filled incandescent light bulb is manufactured to have atmospheric pressure in it at 20.0°c. find the gauge pressure inside such a bulb when it is hot, assuming its average temperature is 58.0°c and neglecting any change in volume due to thermal expansion or gas leaks.
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What is the momentum of a 2 kg object moving at 15 meters per second
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Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
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Physics, 22.06.2019 17:00
(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.
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Physics, 22.06.2019 19:30
A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?
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Suppose a gas-filled incandescent light bulb is manufactured to have atmospheric pressure in it at 2...
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