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18-03-2016
Physics

contestada

What force is necessary to accelerate a 70-kg object at a rate ifm4.2 m/s

Respuesta :

18-03-2016

F = ma
F = force
m = mass
a = acceleration

4.2 m/s = a
70 kg = m
F = ?

F = 4.2*70
F = 294 Newtons

Answer would then be : Force = 294 N

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