Question

find the ratio of displacement in 1st 2 seconds and next 2 seconds of free fall

Answer 1

Initial velocity =0

Acceleration = 10

t1=1s

t2=2s .

Displacement in one second (s1)= 0+1/2×10×1×1=5

Displacement in two seconds (s2)= 1/2×10×2×2=20.

Thus ,

S1/S2=5/20=1/4