Physics, 13.11.2020 19:20 bryantjorell
Student A says electric motors use the forces between electromagnets to make something start turning. Student B says electric motors use magnets moving near coils of wire to create a current in the wire. Which student is correct?
There is not enough information
Student B
Neither student is correct
Student A
Answers: 3
Physics, 22.06.2019 00:00
Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.
Answers: 2
Physics, 22.06.2019 05:20
Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
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Physics, 22.06.2019 12:40
Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)
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Physics, 22.06.2019 13:00
Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
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Student A says electric motors use the forces between electromagnets to make something start turning...
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