Kick-Off
At a soccer match, the referee places the ball exactly on the center of the center spot for kick-off. After the first half the home team is leading 2:0. Again, the referee randomly places the ball exactly on the center of the center spot and the teams get ready for the second half kick-off.
How much of the ball surface is exactly where it was at the beginning of the first half?
mo
How much of the ball surface is exactly where it was at the beginning of the first half?
mo
Labels: logic, mathemagic, SharedPuzzle
posted by Mr Fahrenheit at
5:03 PM
4 Comments:
100% of the ball's surface that was in the original spot, is now in the same spot at the beginning of the second half.
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At least 2 points. There will be an axis that would allow the ball to spin to line up exactly how it was oriented originally.
Possilby and line around the center of the ball.. such as an equator that the ball could be rotated on to line it backup..
Or, very very small chance, the ball is already orented exactly how it was before.
with all that said, a point or a line cannot be measured in terms of area, so it's either going to be 0% (most likely) or 100% (very unlikely)..
The answer Rajesh style:
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ANSWER
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Two points of the ball's surface will be in the same place. The chance of the whole surface being in the same place is infinitely small.
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GOT RIGHT
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Euclid's Brother, with a pretty much perfect explanation. A pity so few people bothered to answer.
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