Physics, 17.04.2021 21:10, olaffm9799
A hydraulic lift is used to jack a 970 kg car 12cm off the floor . The diameter of the output piston is 18cm and the input force is 250N. (a) what is the area of the input piston? (b) what is the work done in lifting the car 12cm? (c) If the input piston moves 13cm in each stroke how high does the car move up for each stroke? (d) How many strokes are required to jack the car up 12cm? (e) show that energy is conserved
Answers: 3
Physics, 22.06.2019 16:30, lunarwoo
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Physics, 23.06.2019 00:30, Tanya120
Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.
Answers: 3
A hydraulic lift is used to jack a 970 kg car 12cm off the floor . The diameter of the output piston...
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