CBSE Class 9 Answered
answer it please
Asked by devdrondiksha | 24 May, 2022, 03:36: PM
Expert Answer
Given that,
Initial velocity of body, u = 10 m/s
Initial height, h = 390 m
Acceleration due to gravity, g = 10 m/s2
Now,
Using kinematic equation.
s = ut + ½ at2
By solving this equation we will get t ≈ 10 sec.
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