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28 March, 15:48

According to this equation, F=ma, how much force is needed to accelerate a 65-kg runner at 8m/s2?

a. 8 m/s

b. 520 N

c. 520 m/s

d. 8 N

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Answers (1)
  1. 28 March, 18:05
    0
    Because F=ma,

    F=65*8

    ∴F=520N

    Force is measured in Newtons (N), and so the answer is B and not C (m/s is a unit for velocity)
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