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1 calculate the average kinetic energy of the n2 molecules in a sample of n2 gas at 273 k and 546 k2 consider separate
a cylinder contains 10 kg of gas at a pressure of 107 n m2assuming the temperature of the gas to be constant calculate
1 according to the kinetic-molecular theory molecules of different gases at the same temperature always have the same a
i have test data for three heat shields and am looking for an explanation one that can be supported with math theory
consider a building whose annual air-conditioning load is estimated to be 120000 kwh in an area where the unit cost of
draw a flashlight bulb and show where the current usually enters and leavesdraw a d-cell and label its two terminals
1 the resistance of a superconducting material drops essentially to zero rather suddenly whena the sample is heated
1 if the speed of sound is 350 ms and the wavelength is 10 cm what is the frequency2 two otherwise identical wires are
1 which is a correct statementa visible light has a frequency of 10 to the power of 14 hzb gamma rays have a frequency
1a what is the purpose of the lightning rod and how does it workb why is the car interior a safe place to be during a
1 in alternating current the motion of the chargesa continuously changes in the forward and reverse directionsb is
1 if a lamp is measured to have a resistance of 45 ohm when it operates at a power of 80 w what is the current in the
1 a charge of 1020 c was passed through a wire in 55 min what was the average electric current during that interval2
1 it is generally dangerous to tuck electrical extension cords away behind furniture under carpets or anywhere else
test questions1 which of the following is not true about the electric potential va v at a point is the electric
consider a spherically symmetric configuration a spherical charge distribution has radius ra and nonuniform charge
1 calculate the capacity of a conductor that when you charge it with 0004c acquires a potential of 220v2 a total
a thundercloud has the charge distribution as shown on the diagram treat this distribution as two point charges a
a copper atom contains 29 electrons one of which is a conduction electron copper has an atomic weight of 64 and a
1 a freezer has a coefficient of performance of 240 and can convert 180 kg of water at 25 degree c to ice at -5 degree
what fraction of the total rate of us electricity production in 1980 does 267 x 108 w correspond to here are some facts
you have been appointed as an advisor to recommend on the type and location of the new power stations after extensive
1 what is the wavelength in meters of radio waves produced by a radio station with a frequency of 1400 khz2 a series of
2 an ac-generator operating at 1000 hz is in series with a 10 l2 resistor a 10 mh inductor and a 1011f capacitor the
an air conditioner refrigerator or heat pumpthe typical operation cycle of a common refrigerator is shown schematically