a certain force acting on a body of mass 2 kg increases it's velocity from 6m/s to 15m/s in 2 seconds . the work done by the force during this interval is ?

Answer 1

Please identify the School Subject CLEARLY. Look to the left and up in the red margin for the School Subjects that we will recognize.

Gobbletegook will not get your post read.

Sra

Answer 2

W = Fd
F = ma

a = (15-6)/2 = 4.5
d = 1/2 at^2 = 2.25*4 = 9

W = 2*4.5*9 = 81