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2 November, 19:26

A force of 19 newtons is applied on a cart of 2 kilograms, and it experiences a frictional force of 1.7 newtons. What is the acceleration of the cart? A. 8.6 meters/second2 B. 9.0 meters/second2 C. 9.5 meters/second2 D. 10.5 meters/second2 E. 0.8 meters/second2

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  1. 2 November, 20:25
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    letter a
  2. 2 November, 23:11
    0
    option A

    a = 8.65 m/s²

    Step-by-step explanation:

    Given that,

    force applied on a cart (forward direction) = 19N

    frictional force experience by cart (backward direction) = 1.7N

    mass of the cart = 2 kg

    Frictional force always opposes applied force, so the Resultant force on the cart would have to be 19N - 1.7N.

    Formula to use

    Resultant force = ma

    plug values in the formula

    19 - 1.7 = 2 (a)

    17.3 = 2 (a)

    a = 8.65 m/s²

    so the acceleration of the cart is 8.65m/s²
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