Question

A stone is dropped down a deep well from rest . The well is 50m deep. How long will it take to reach the bottom of the well?

Answer 1

Answer:

DW

Explanation:

Answer 2

Answer:

s = 50m

u = 0 m/s

g = 9.8m/sec

Using formula : s = ut + 1/2at^2

50 = 0×t + 1/2 × 9.8 × t^2

50×2/9.8 = t^2

√100 / √9.8 = t^2

3.19sec = t

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