Question

Which of the following statements is true?

A.)Magnetic fields can push and pull protons.
B.)Magnetic fields are weakest at the poles of a magnet.
C.)A change in acceleration is called velocity.
D.)Energy input is always greater than energy output.

Answer 1

Answer:

1st is true

Explanation:

not sure but

Answer 2

Answer:

D ) energy input is always greater than energy output

hope it helps

Explanation:

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