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jolli1 [7]
4 years ago
14

A pulley of diameter 49.0 in revolves at 1860 rpm. What is the diameter of a second pulley, in inches, if it rotates at 620 rpm?

Physics
1 answer:
Rudiy274 years ago
4 0

Answer;

First pulley;

Diameter; 49.0, revolutions 1860 rpm

Second pulley;

Diameter; x ; revolutions 620 rpm

To get the diameter of the second pulley;

= (Diameter of the first × Revolutions of the first)/ revolutions of the second.

= (49 ×1860)/620

= 147

Thus; the diameter of the second pulley is 147.

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