Physics, 04.11.2021 20:00 fendyli2353
A 20,000-N car on a hydraulic lift rests on a cylinder with a piston of radius 0.10 m. If an oil compressor drives a connecting cylinder with a piston radius of 0.015 m, what minimum force must be applied to the smaller piston to lift the car
Answers: 2
Physics, 21.06.2019 16:20
Two particles of masses m and 2m are placed on a smooth horizontal table. a string, which joins these two masses, hangs over the edge supporting a pulley, which suspends a particle of mass 3m.the pulley has negligible mass. the two parts of the string on the table are parallel and perpendicular to the edge of the table. the hanging parts of the string are vertical. find the acceleration of the particle of mass 3m.
Answers: 1
Physics, 22.06.2019 21:00
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
A 20,000-N car on a hydraulic lift rests on a cylinder with a piston of radius 0.10 m. If an oil com...
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