Physics, 03.12.2021 17:40 cxttiemsp021
a car was rolled up an inclined plane. it required a force of 20 kilograms to pull the car up the 50 meter length ramp to a final height of 10 meters. the car weighs 100 kilograms. what was the work accomplished using the ramp?
Answers: 1
Physics, 22.06.2019 16:30, sti192
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
Answers: 3
Physics, 22.06.2019 22:00, petroale000
Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false
Answers: 2
Physics, 23.06.2019 02:10, eddiecas
The average atmospheric pressure on earth is approximated as a function of altitude by the relation patm = 101.325 (1 − 0.02256z)5.256, where patm is the atmospheric pressure in kpa, and z is the altitude in km with z = 0 at sea level. determine the approximate atmospheric pressures at atlanta (z = 306 m), denver (z = 1610 m), mexico city (z = 2309 m), and the top of mount everest (z = 8848 m).
Answers: 3
a car was rolled up an inclined plane. it required a force of 20 kilograms to pull the car up the 50...
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