Akon is dropped from a tower it moves through a distance of 24.5 metre in the last second before hitting the ground find the height of tower.
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Answer:
45m
Explanation:
Distances travelled in last second
S = u + a(n - 1/2)
24.5 = 0 + 9.8(n - 1/2)
n = 24.5/9.8 + 0.5
n = 3rd second
Total time of flight is 3 seconds
Height of the tower
H = 0.5gt^2
= 0.5 × 10 × 3^2
= 45 m
Height of the tower is 45 m
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1 st answer is wrong