donna10 donna10

01-03-2016
Physics

contestada

A 4.2 kg parachutist is moving straight downward with a speed of 3.85 m/s

Respuesta :

02-03-2016

Kinetic energy= .5 x m x v^2
KE=.5 x 4.2 x 3.85^2
KE=31.13

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