abbiehoffman abbiehoffman

09-01-2018
Physics

contestada

A man with mass 82 kg runs at a speed of 2.8 ms How much kinetic energy does he have?? A.114.8 B.221.8 C.321.4 D.642.9

Respuesta :

jennyli013 jennyli013

09-01-2018

use the formula for kinetic energy.
KE=1/2mv^2
KE=1/2*(82kg)*(2.8m/s)^2
KE=321.4 J
The answer is C

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