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11 September, 15:33

What is the kinetic energy in Joules of a 1,500kg car traveling at 75mph? What is the kinetic energy in Joules of a 1,500kg car traveling at 75mph?

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  1. 11 September, 17:44
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    Answer: 2812500 joules

    Explanation:

    Mass of car = 1500kg

    Velocity of car = 75mph

    Kinetic energy = ?

    Recall that kinetic energy is the energy possessed by a moving object, and it depends on its mass M and velocity, V

    Thus, Kinetic energy = 1/2 x mv^2

    = 1/2 x 1000kg x (75mph) ^2

    = 0.5 x 1000kg x (75mph) ^2

    = 500 x 5625

    = 2812500 joules

    Thus, the car travels with a kinetic energy of 2812500 joules
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