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16 May, 12:16

An acorn with a mass of 0.300 kilograms falls from a tree. What is its kinetic energy when it reaches a velocity of 5. oo m/s?

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  1. 16 May, 14:33
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    Answer: 3.75 joules

    Explanation:

    Given that:

    Mass of acorn = 0.300 kilograms

    velocity = 5. oo m/s

    Kinetic energy = ?

    Since, kinetic energy is the energy possessed by a moving object, its value depends on the mass M and velocity V of the acorn.

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

    = 1/2 x 0.300kg x (5.00m/s) ^2

    = 0.5 x 0.3kg x (5.00m/s) ^2

    = 0.15 x (5.00m/s) ^2

    = 3.75 joules

    Thus, the kinetic energy of the falling acorn is 3.75 joules
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