Correct Answer: Option E

Explanation

The total distance fallen is s = 40m - 0.8m = 39.2m

u = 0m/s, v = ? , g = 9.8m/s\(^2\)

Using: v\(^2\) = u\(^2\) + 2gs

v\(^2\) = 0 + 2 x 9.8 x 39.2

v\(^2\) = 768.32

v = \(\sqrt{768.32}\) ≈ 27.7m/s.

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