Question: 4) You'd like to use a strobe light to measure the rotation speed of a three-blade fan. What is the minimum rotation speed of

4) You'd like to use a strobe light to measure the rotation

4) You'd like to use a strobe light to measure the rotation speed of a three-blade fan. What is the minimum rotation speed of the fan (in rotations per minute) if a strobe setting of 60 Hz "freezes" the image of the fan?

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