mehtadrashan mehtadrashan

06-10-2020
Physics

contestada

calculate the kinetic energy possessed by a uniformly moving body of mass 40 kg if it covers 800m in 40 seconds

Respuesta :

06-10-2020

Answer:

400J

Explanation:

s=d/t

s=800/40

s=20m/s

K.E= 1/2mv^2,

=1/2*40*20

=400 J

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