Question

a body is moving with the velocity of 30m/s. After​ 10 seconds the velocity becomes 40m/s. What is its average velocity?

Answer 1

we know that v=u+at

40=30+10a

a=1m/s²

now v²-u²=2as

1600-900=2s

700/2=s

s=350

average velocity =s/t

=350/10=35m/s


I hope this will u;)