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20 May, 21:41

A force of 450 N accelerates a box across a frictionless surface at a rate of 15 m/s2. Find the mass of the box?

A) 30 N

B) 30 kg

C) 6,750 N

D) 6,750 kg

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Answers (2)
  1. 20 May, 22:18
    0
    Second Law of Newton: Net force equals mass times acceleration

    F = m*a = > m = F/a

    m = 450N / 15 m/s^2 = 30 kg

    Answer: option B) 30 kg
  2. 21 May, 00:38
    0
    It would be: m = F/a = 450 N / 15 m/s^2 = 30 Kg
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