brinhanameade brinhanameade

16-12-2016
Physics

contestada

Imagine a 10kg block moving with a velocity of 20m/s to the left.

Calculate the kinetic energy of this block.

Respuesta :

Edufirst Edufirst

20-12-2016

Kinetic energy , KE= [1/2]m*v^2

m = 10 kg
v=20m/s

KE = [1/][(10kg)(20m/s)^2 = [1/2](10kg)(400m^2/s^2) = 2000 joule

Answer: 2000 joule

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