The hailstone will take 4.04 second to hit the ground.
Gravity accelerates you at 9.8 meters per second per second. After one second, you're falling 9.8 m/s. After two seconds, you're falling 19.6 m/s, and so on.
from the question we conclude following information-
Height (H)= 120 m
acceleration due to gravity (g)=9.8 m/s²
Time (t)=?
the time taken by the hailstone to hit the ground can be obtained as-
h=1/2 gt²
120= 1/2 x 9.8 x t²
120x2/9.8=t²
t²=24.48
t=4.94 s
therefore, the calculated time taken is 4.94 s.
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