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54. A body of mass 10 kg is pulled by a
force of 8N. Calculate the acceleration
and the final velocity of the body after
5 seconds.
[Ans: 0.8 m/s², 4 m/s]
L

Sagot :

Answer:

Explanation:

S ince

  F = ma

   a = F / m = 8 / 10  = . 8 m s^2

Assuming the body starts from rest :

  vf = a t = .8 m/s^2 * 5 s = 4 m/s

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