ashley10586 ashley10586

06-02-2020
Physics

contestada

a 3kg has 9 joules of kinetic energy how fast is it flying

Respuesta :

ednorobello92 ednorobello92

06-02-2020

Answer: 2.4 m/s

Explanation:use KE= 1/2 mv²

Derive to find v:

v = √ 2KE / m

= √ 2 ( 9 J ) / 3 kg

= 2.4 m/s

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