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If you have a goat tied to the inside edge of a circular field, how long does its chain need to be before it can eat half of the grass in the field?
You may assume: the goat is a particle, the chain and fence are inflexible, the grass is distributed evenly, each blade of grass is a particle etc.
If you have a goat tied to the inside edge of a circular field, how long does its chain need to be before it can eat half of the grass in the field?
You may assume: the goat is a particle, the chain and fence are inflexible, the grass is distributed evenly, each blade of grass is a particle etc.
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