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30 December, 09:11

1. The following equation is derived from Newton's Second Law of Motion. A body of mass has a Force of 20 N/s and an acceleration of 50 m/s2. What's the mass of the object?

A. 0.8 kg

B. 0.5 kg

C. 0.4 kg

D. 1.5 kg

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Answers (1)
  1. 30 December, 09:22
    0
    Newton's second law for an object's motion in one spatial dimension:

    F = ma

    F is the net force acting on the object, m is the object's mass, and a is the object's acceleration.

    Given values:

    F = 20N

    a = 50m/s²

    Plug in these values and solve for m:

    20 = m (50)

    m = 0.4kg

    Choice C
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