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This is a discussion on Microsoft's Famous Puzzle asked during the interview within the Contributions forums, part of the LC Youth Talk category; A bear has fallen from a height of 10 meters. It took square-root of 2 seconds for it to fall ...
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| Senior Member | Microsoft's Famous Puzzle asked during the interview A bear has fallen from a height of 10 meters. It took square-root of 2 seconds for it to fall on the ground Now can you tell me the COLOR of the bear based on this information? Please don't think this is a foolish question... The answer to it is very logical... ( Guys this is really good. Trust me on this one!!) (Scroll down for answer) ================================================== Answer ================================================== Let's see how the above puzzle is a logical one. 01. The bear has fallen from a height of 10 m 02. It took square root(2) sec for it to fall. 03. Obviously it's initial velocity is zero (since it's a freely falling body). 04. Let's assume the acceleration due to gravity is: 'a' meters/seconds square at that place. 05. So applying the formula.. S = ut + (1/2*a*t^2) we know... u = 0, S = 0, t = square root(2) secs Hence, 10 = 0*sqroot(2) + {(1/2) * a* 2 } 06. Solving the above equation gives a = 10 meters/seconds square 07. For a free falling body 'a' is the gravitational pull which is g=9.8 m/s^2 08. Hence at that place where the bear fell, the acceleration due to gravity is the highest (its greater than 9.8 and since wkt a) 09. This can happen only at the poles .. (North or South) 10. And we know that only polar bears can survive in the sub zero temperatures of the poles ~And no points for guessing that the colour of a Polar bear is …………………………………………. WHITE!!! ~
__________________ BAS EENA SAATH HI C !!!!! | |
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| Member Join Date: Mar 2005 Location: United States
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Rep Power: 138 | tht was cool man. ...i wonder wat kinda stuff we guys need to read in order to answer this kinda questions ...thx for sharing | |
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