A football is dropped from 600cm each time it rebounce it rises 2/3rd of the height it has fallen through. Find the total distance travelled by the ball before it comes to rest.?
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3000 cm answer
football dropped from 600 cm and each time it renounce and rises to 2/3 of the height it has fallen
so first time 600 cm travel then 2/3 of it approx 400 cm twice (bounce and then down) and so on,
use the concept of sum of term with the help of infinite GP
like
s = 600 + 600×2×2/3 + 600×2×2/3×2/3 + 600x2x3/3×2/3 +......
s = 600 + 600×2×2/3( 1 + 2/3 +2/3×2/3.....)
s = 600 +600×2×2/3( 1 / (1 -2/3))
s = 3000 cm answer
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this is answer bro. pls mark this answer as brainilest
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