Levers pivot on the
A. fulcrum
B. resistance arm
C. effort arm
D. moon...
Physics, 15.02.2021 21:50 HarryPotterhead7
Levers pivot on the
A. fulcrum
B. resistance arm
C. effort arm
D. moon
Answers: 1
Physics, 21.06.2019 22:30
The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
Answers: 2
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Which feature of a heating curve indicates a change ofn state
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Physics, 22.06.2019 06:30
What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 Ă 1015 hz? planckâs constant is 6.63 Ă 10â34
Answers: 3
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
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