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2 March, 04:01

Kind the kinetic energy of a ball moving at 45 m/s with a mass of 0.18kg

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Answers (2)
  1. 2 March, 04:48
    0
    1822.5J

    Explanation:

    KE =.5 x m x v^2

    Mass:.18kg

    Velocity: 45mm/s

    KE =.5 x 0.18 x 45^2

    KE = 0.9 x 2025

    KE = 1822.5J
  2. 2 March, 04:58
    0
    Answer:182.25 joules

    Explanation:

    Velocity (v) = 45m/s

    Mass (m) = 0.18kg

    Kinetic energy = (m x v x v) ➗ 2

    Kinetic energy = (0.18 x 45 x 45) ➗ 2

    Kinetic energy=364.5 ➗ 2

    Kinetic energy=182.5

    Kinetic energy=182.25 joules
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