Answer to Question #268772 in Mechanical Engineering for Darren

Mechanical Engineering

Question #268772

A motor has 5 speeds varying from 18 to 228 ram in a geometric progression

Expert's answer

$18, x,y,z, 228\\ a = 18\\ ar^4 = 228\\ r^4 = 228/18 = 36/3\\ r =\quad _4\sqrt{36/3}$

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