Physics, 30.09.2019 18:30, Delgadojacky0206
In a motor, the combined effect of electric currents and magnetic forces turn electrical energy into which of the following?
a. a battery
b. a generator
c. mechanical energy
d. electromagnetic energy
Answers: 1
Physics, 22.06.2019 17:20, elkinsmarie88oyzd23
Select all the correct answers. which two statements are true? a moving magnetic field creates an electric field. a constant magnetic field creates an electric field. a constant electric field creates a magnetic field. a moving electric field creates a magnetic field. resetnext
Answers: 1
Physics, 23.06.2019 01:00, zitterkoph
Is the number of complete movements of a wave per second.
Answers: 3
Physics, 23.06.2019 10:40, puzzledprincess8037
4.at 0 ºc, some amount of energy is required to change 1 kg of water from a solid into a liquid. if you had a 2 kg piece of ice, what effect would this have on the amount of thermal energy required to change the water from a solid to a liquid? it would require more energy to change solid water into liquid water because there are more molecules in this larger piece of ice. it would still require the same amount of energy to change solid water into liquid water because the entire piece of ice would still gain the same amount of energy in each case. it would require energy to be removed from the 2 kg piece of ice. the larger piece of ice already has more total energy than the smaller piece of ice, so energy must be removed for the ice to become liquid. it would require less energy to change solid water into liquid water because the energy would spread through the ice more quickly and the ice already has a larger total amount of energy because it is larger than a 1 kg piece of ice.
Answers: 1
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