Question:
Time of descent explaination , equation with example.
Answer:
Time of descent - The time taken by a freely falling body to reach the ground is called the time of descent
As it is free falling, the initial velocity u, of body =0 m/sec
Gravitational acceleration g is positive.
If the body is falling from height H, then
Using second equation of motion, S = ut+1/2 at2
H = (0)t+1/2 gt2
t2 = 2H/g
t= √2H/g
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