Question

A body falls From 40m. calculate the time of its free fall​

Answer 1

Answer:

4 seconds

if I am correct mark me brainliest

Answer 2

Answer:

Here,

g = 10m/sec squ.

h = 40m

u = 0

from second equation of motion

s = ut + 1/2at^2

h = ut +1/2gt^2

40 = 1/2 × 10 × t^2

t^2 = 8

t = 2√2 sec