Question

A body starts accelerating from rest under gravity . What is the displacement of the body in the time interval of the 10-15 seconds

Answer 1

S = ut + 1/2 at^2

S =?

U =?

A = 9.8

T = 5s

U = 9.8 x 10

= 98 m/s

S = 98 x 5 + 1/2 x 9.8 x 5^2

= 490 + 4.9 x 25

= 490 + 122.5

= 612.5m