Question

a stone is dropped from top of Tower and travels 24.5 metres in last second of its journey. find the height of tower?​

Answer 1

Answer:

Distance travelled in nth second is given by

S(n) = u + 0.5*g*(2n-1)

u = 0 (since the stone is dropped)

24.5 = 4.9*(2n-1)

2n-1 = 5

Solving,vwe get

n = 3s

The total time of fall = 3s

H = 0.5*g*t^2 = 0.5*9.8*9 = 44.1m

The stone was dropped from 44.1m high tower

Answer 2

Explanation:

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