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20 July, 06:54

What is the magnitude of the acceleration that is produced when the brakes of a 2.4 x 103 kg car apply a 3.2 x 103 N force to stop the car?

A. 75 m/s2

B 1.3 m/s2

C 5.6 x 103 m/s2

D 7.7 x 106 m/s2

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Answers (1)
  1. 20 July, 07:31
    0
    B 1.3 m/s2

    Explanation:

    Newton's second law of motion states that the acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force. This in form of an equation is F = m*a

    Since you want to know the acceleration, you have to solve for a

    F = m*a

    a = F / m

    and now you substitute the data

    a = 3.2x10^3 N / 2.4x10^3 kg

    a = 1.3 m/s^2
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