Physics, 22.01.2020 23:31 raytaygirl
Which of the following could be reasonable explanations for how a piece of invisible tape gets charged? select all that apply.
(1) protons are pulled out of nuclei in one tape and transferred to another tape.
(2) charged molecular fragments are broken off one tape and transferred to another.
(3) electrons are pulled out of molecules in one tape and transferred to another tape.
(4) neutrons are pulled out of nuclei in one tape and transferred to another tape.
Answers: 2
Physics, 21.06.2019 21:00
An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
Answers: 2
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 12:10
Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
Answers: 1
Which of the following could be reasonable explanations for how a piece of invisible tape gets charg...
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