Question

If à car travels 50m distance in 4s with a acceleration of 5m/ssquare then what was its initial speed

Answer 1

S = ut + 1/2 a t^2

50 = 4u + 1/2 × 5 × 4^2

4u = 10

u = 2.5 m/s

Hence the initial velocity is 2.5 m/s.

Hope this helps..