olymmath

Putnam 1970 B4

  • Session B

An automobile starts from rest and ends at rest, traversing a distance of one mile in one minute, along a straight road. If a governor prevents the speed of the car from exceeding 9090 miles per hour, show that at some time of the traverse the acceleration or deceleration of the car was at least 6.66.6 ft/sec.

Dataset text AI-MO AoPS. Quoted with source.

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