From height of 8mts a ball fell down and each time it
bounces half the distance back.What will be the distance
travelled?
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Answer / karthik kj
8+4+4+2+2+1+1+0.5+0.5+0.25+0.25+0.125+0.125+......= 24 mts
| Is This Answer Correct ? | 19 Yes | 5 No |
Answer / addddddddddd
8+4+4+2+2+1+1+.5+.5+.25+.25+.12+.12=24 (approx) n no need of pollin for this ans cos this is 101 percent correct answer.......:)
| Is This Answer Correct ? | 12 Yes | 2 No |
Answer / bubba
This is an infinite sum of a geometric series problem.
Downs: 8 + 4 + 2 + ... = Sum 8(.5)^n = 8/(1-0.5) = 16 meters.
Ups: 4 + 2 + 1 + ... = Sum 4(0.5)^n = 4/(1-0.5) = 8 meters.
Hence the total travel is 22 meters.
| Is This Answer Correct ? | 2 Yes | 2 No |
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