Question

When a net force of 8 N is constantly applied on 500 g object at rest, how long will it take to raise its velocity to 80 m/s?

Answer 1

Answer:

F = ma

7 = 0.4*a

17.5 = a

v = at

80 = 17.5*t

4.57 = t

Therefore it would take 4.57 seconds.

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Answer 2

Answer:

time=5secs

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