Kindly explain why 4th is not the answer for qno.24
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In question 24,
Given,
Height = 125 m
a = g = 10 m/s²
Since the body is falling freely , u = 0
To find the time , we use the second equation of motion i.e S = ut + 1/2at²
by substituting the values,
125 = 1/2×10×t²
125 = 5t²
t² = 125 / 5
= 25
t = √25
= 5 sec
Hence , the time taken to reach the ground will be 5 seconds.
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