Physics, 26.06.2019 18:20 jaircepeda053
Anonconducting sphere contains positive charge distributed uniformly throughout its volume. which statements about the potential due to this sphere are true? all potentials are measured relative to infinity. (there may be more than one correct choice)
a) the potential is highest at the center of the sphere. b) the potential at the center of the sphere is the same as the potential at the surface. c) the potential at the surface is higher than the potential at the center. d) the potential at the center is the same as the potential at infinity. e) the potential at the center of the sphere is zero.
Answers: 3
Physics, 22.06.2019 03:00
Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
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Physics, 22.06.2019 18:30
Which word expression describes how much to calculate pressure
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Physics, 22.06.2019 20:50
An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)
Answers: 1
Anonconducting sphere contains positive charge distributed uniformly throughout its volume. which st...
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