Question

there is a block of mass 40kg . a force of 60 newton is applied upon it. calculate the time in which the block will acquire a velocity of 30 m/sec

Answer 1

F=ma
60=40a
a=60/40
a=1.5m/s^2

v=u+at
30=0+1.5t
t=30/1.5
t=20 sec

Answer 2

Answer:

F=ma

a= f/m

a=60/40

a=1.5

We know that;

V=u+at

t=v-u/a

t=30-0/1.5

t=20 second.