10.A motor, when travelling from rest, travels the first twentieth ofa mile at 6 miles per hour and the next three twentieth at respectively 8, 12,24 miles per hour but its average speed over the first fifth of a mile is not12-5 mile per hour.but 9-6. Explain apparent paradox.

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Answered: 10. A motor, when travelling from rest,…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter4: Polynomials

Section4.8: Rate-time-distance Problems

Problem 15P

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10. A motor, when travelling from rest, travels the first twentieth of a mile at 6 miles per hour and the next three twentieth at respectively 8, 12, 24 miles per hour but its average speed over the first fifth of a mile is not 12:5 mile per hour but 9-6. Explain apparent paradox.