japreston japreston

20-02-2020
Physics

contestada

Jack is falling down the hill at a speed of 12 m/s. If Jack has a mass of 45 kg, what is his kinetic energy?

Respuesta :

marleerayne marleerayne

20-02-2020

The answer is 3, 240J

KE=1/2 m v^2

KE= 1/2(45kg)(12m/s)^2

KE=1/2*45*144

KE= 3, 240 Joules

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