Question

An object moving from rest and moving with an acceleration of 4m/s.what will be its velocity after 20 seconds​

Answer 1

Explanation:

80 m/s

it is right answer

Answer 2

answer=80m

Explanation:

u=0

a=4m/s

t=20s

formula=v=u+at

v=0+20s*4m/s

=80m