a boy fall from top of Tower it cover 36% of the total height in the last second before striking the ground level the height of Tower is
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Height of the Tower = H
Time of fall (in seconds) = T
S = ut + 0.5at²
H = 0 + 0.5gT² ……………[1]
Boy covers 64% of total height of the tower in (T - 1) seconds
S = ut + 0.5at²
64H/100 = 0 + 0.5g(T - 1)² …………[2]
Divide equation [1] by [2]
100/64 = [T / (T - 1)]²
10/8 = T / (T - 1)
10T - 10 = 8T
2T = 10
T = 5 seconds
Time of fall is 5 seconds
Substitute T = 5 seconds in equation [1]
H = 0.5 × 9.8 m/s² × (5 s)² = 122.5 m
Height of the tower is 122.5 m
RIP boy :(
Time of fall (in seconds) = T
S = ut + 0.5at²
H = 0 + 0.5gT² ……………[1]
Boy covers 64% of total height of the tower in (T - 1) seconds
S = ut + 0.5at²
64H/100 = 0 + 0.5g(T - 1)² …………[2]
Divide equation [1] by [2]
100/64 = [T / (T - 1)]²
10/8 = T / (T - 1)
10T - 10 = 8T
2T = 10
T = 5 seconds
Time of fall is 5 seconds
Substitute T = 5 seconds in equation [1]
H = 0.5 × 9.8 m/s² × (5 s)² = 122.5 m
Height of the tower is 122.5 m
RIP boy :(
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