Question

10. A body starts from rest and moves along a straight line
with uniform acceleration. It covers a distance of 150 m
during 8th second of its motion. The acceleration of the
body is
a) 20 m s-2
b) 10 m s2
c) 30 m s-2
d) 15 m s-2​

Answer 1

its B)10 m s-2

Hope it helps you❤

Answer 2

Answer:

Sn=u+a(n-1/2)

Given, u=0 S8=150m

S8=u+a(8-1/2)

S8=0+a(15/2)

S8=15a/2

150m=15a/2

=>a=20m/s2