kjackson3 kjackson3

23-02-2017
Physics

contestada

Which of the following statements is true?

Energy input is always greater than energy output.

Magnetic fields are weakest at the poles of a magnet.

Magnetic fields can push and pull protons.

A change in acceleration is called velocity.

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Disneygirl1 Disneygirl1

23-02-2017

the answer would be #3

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hunteraltic hunteraltic

23-02-2017

D or A for sure!!!!1

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