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25 October, 06:31

A 10.0-kg animal is running at a rate of 3.0 m/s. What is the kinetic energy of the animal?

Hint: 1/2 (M) (V) 2

• 3.3 J

• 45.0 J

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Answers (1)
  1. 25 October, 06:36
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    Kinetic energy is calculated by using formula:

    Ek = 1/2*m*v^2

    Now we replace values of mass and speed in this formula.

    Ek = 1/2*10*3^2 = 45.0J

    When you have a formula and all variable values are given in the text of question just replace variable values in equation and find the final value.
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