Question

a body starts from rest and moves with a uniform acceleration of 3m per second square .what will be its velocity at the end of 15 seconds

Answer 1

hey buddy here is your answer by UDIT DON

it is given that body starts from rest so u=0

and acceleration =3m/s^2

so using 1st equation of motion

v=u+at

given t=15 second

v=0+3×15

=45m/s

thanks

Answer 2

1st equation of motion v=u+at

given a=3m/s^2 and time=15s

so v=0+3*15

=45m/s