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A electric engine transfers 300j into kinetic energy, 280j into heat energy, and 160j into sound energy. What is the efficiency of the motor? need help asap
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Physics, 23.06.2019 01:30
The process of a material going through a change of state from a gas to a liquid
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Physics, 23.06.2019 06:30
Acopper sheet has a volume of 100 cm³. if the density of copper is 8.9 g/cm³, what is the mass of the sheet? a. 11 g b. 8.9 g c. 189 g d. 890 g
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Physics, 23.06.2019 07:30
Neurons are components of the nervous system of the body that transmit signals as electrical impulses travel along their length. these impulses propagate when charge suddenly rushes into and then out of a part of the neutron called an axon. measurements have shown that, during the inflow part of this cycle approximately 5.6x10^11 na per meter, each with a charge of e enter the axon. how many coulombs of charge enter a 1.10 cm length of axon during this process
Answers: 2
A electric engine transfers 300j into kinetic energy, 280j into heat energy, and 160j into sound ene...
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