Question

Distance travelled by a body is given by 2s=[10t+5t^2]m. The acceleration of the body is

Answer 1

Explanation:

distance=10t+5t2

time=2s

d=s*t

where s is speed of the body

10t+5t2=s×2

5t(2+t)=2×s

5t(2+t)/2=s

a=v-u/t

a=5t(2+t)/2

a=10t+5t2/2

a=5t+5/2t2

a=5t(1+t)/2