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10-04-2018
Physics

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a 1.5 kg cart initially moves at 2.0 m/s. It is brought to rest by a constant net force in .30s. What is the magnitude of the net force?

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Histrionicus Histrionicus

23-12-2018

Given:

mass (m) = 1.5 kg ,

velocity (v) =2 m/s ,

time (t) = 0.30s ,

magnitude of net force (Fnet) = m. a

= 1.5 × (v/t) since a = v/t

= 1.5 × (2/0.30)

= 10 N

Magnitude of net force is 10 N

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