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Students push a swing with a hard push and a soft push. Each time the students count how many time the swing moves back and forth before stopping. What variable is tested in this investigation?
a. differences in pushes and pulls
b. force of the push
c. number of time the swing moves
d. distance the swing moves

Answer :

GABRIELLEFALGOUSTGO
answer: c. number of time the swing moves.
evidence: “the students count how many times the swing move back and forth before stopping”

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