Question

there is ablock of mass 40kg. A force of 60N is applied upon it. calculate the time in which the bloak will acquire a velocity of 30 m/s.

Answer 1

m=40kg
f=60N
f=ma
60 = 40 × v-u/t
60=40×30/t
t=40×30/60
t=120/60
t=2s

Answer 2

this is the answer of your question