Dennis123 Dennis123

18-02-2020
Physics

contestada

How much kinetic energy is in a punch thrown at 30 m/s? The fist and arm weighs 6 lbs. (1 lb= 2.2 kg)

Respuesta :

arokoyuola arokoyuola

18-02-2020

Answer:

5940J

Explanation:

KE = 1/2 mv²

KE = 1/2 13.2 * 30²

KE = 6.6*900

KE = 5940J

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