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A stone is dropped from a …

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A stone is dropped from a cliff . Its speed after it has fallen 100 m is
  • 1 answers

Nayan Satapathy 3 years, 6 months ago

Given, s= 100m, u = 0m/s, we know, g = 9.8m/s². Then, v=? By v²-u² = 2gs, -> v²-0 = 2(9.8)(100) -> v² = 1960 -> v = √1960 = √196 x √10 -> v = 14√10 m/s --------- (answer)
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