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11-02-2018
Chemistry

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What force in Newtons is needed to accelerate a 40 kg mass across a surface at 7.5 m/sec²?

Respuesta :

11-02-2018

according to Newton's laws, the relationship between acceleration and mass and force is F=ma.
40kg×7.5m/s²=300N
so the answer is 300N.

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