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21-02-2020
Physics

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Using the formula 1/2 (m x v2), what is the kinetic energy of a 4 kg rock falling through the air at 5 m/s

Respuesta :

21-02-2020

Answer:

KE = 50J

Explanation:

[tex]KE = \frac{1}{2}mv^{2} \\\\ KE = \frac{1}{2}(4)(5)^{2} \\\\ KE = 2(25) \\\\ KE = 50J[/tex]

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