Question

a stone draw from top of tower it will cover 24.5 m . distance will last 10sec with journey find the high of bilding of the tower​

Answer 1

Explanation:

Since the stone travels 24.5 m in the last second of its journey

S=ut +1/2at^2

24.5 = u(1) + 1/2(9.8)(1*1)

24.5–4.9 = u

u = 19.6 m/s

V^2 -u^2= 2as

19.6^2 - 0^2 = 2(9.8)s

S= 19.6 m

Total height is 19.6+ 24.5 = 44.1m

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