Physics, 30.05.2020 22:03 glowbaby123
Derive a formula for the bullet speed vvv in terms of DDD, TTT, and a measured angle θθtheta between the position of the hole in the first disk and that of the hole in the second. If required, use ππpi, not its numeric equivalent. Both of the holes lie at the same radial distance from the shaft. θθtheta measures the angular displacement between the two holes; for instance, θ=0θ=0 means that the holes are in a line and θ=πθ=π means that when one hole is up, the other is down. Assume that the bullet must travel through the set of disks within a single revolution.
Answers: 2
Physics, 22.06.2019 16:30
The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
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Aproton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
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Derive a formula for the bullet speed vvv in terms of DDD, TTT, and a measured angle θθtheta between...
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