Physics, 29.01.2020 20:54 limelight11
Ineed to lift a 2000kg car, 1.798m and the joules required is 35240.8. converted to watt (w = 35240.8/5 (s)) i got 7048.16 w. i also have a 14.4 volt battery. does the battery hold enough energy to lift the car if powering a lifting machine?
Answers: 3
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 05:10
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If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?
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Ineed to lift a 2000kg car, 1.798m and the joules required is 35240.8. converted to watt (w = 35240....
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