Gear wheels

Two gear wheels, which fit together, have the number of teeth z1=117 and z2=70. Calculate the speed of the first wheel if the second wheel rotates 582 revolutions per minute.

Correct answer:

n1 =  348.2 RPM

Step-by-step explanation:

z1=117 z2=70 n2=582 RPM  s1=s2 n1 z1=n2 z2  n1=z1z2 n2=11770 582=11770 582=11740740=3913580 RPM=348.2 RPM

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