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Re: The Incredible Shrinking Space

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Posted by Alexander on January 22, 2001 23:19:07 UTC

The first question is easy one: the number you are talking about is called zero (0). Any other number puts you either in front of the wall or behind it.

Answer on the second question depends on what do you call "constant rate". If, as usually, you mean that the radius (x) change with constant rate dx/dt=const, then yes, the ball with radius Ro will reduce to zero in exactly t=Ro/(dx/dt) seconds (where dx/dt is the rate of reduction of golf ball radius).

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