omolaraotepola omolaraotepola

30-01-2022
Physics

contestada

A body of mass 20kg initially at rest is subjected to a force of 40m for 15sec. Calculate the change in k.e

Respuesta :

alizaarmy3 alizaarmy3

30-01-2022

Explanation:

mass(m)=20kg

velocity(v)=d/t=2.67

k.e=?

now,

k.e=1/2mv^2

=1/2*20*(2.67)^2

=71J

Answer Link

yafetteferi65 yafetteferi65

30-01-2022

Answer:

Explanation:kE =10kg(7.3m²/s²)

=73J

Answer Link

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