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19 January, 09:56

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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Answers (2)
  1. 19 January, 09:58
    0
    The answer would be #3
  2. 19 January, 10:03
    0
    D or A for sure!1
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