Question

9. A body moves from rest 270 m in 3 s. Find the velocity of the body at 10 s after the start

Answer 1

Answer:

Explanation:

using formula s=ut+1/2at^2

s=1/2at^2

substituting information 1 we get acceleration 60m/sec^2

and using the formula

v=u+at

v=at

v=60.10=600(u=0)