Mathematics, 05.02.2021 20:10 tipbri9749

The main rotor of a helicopter is spinning at a constant rate. The rotor makes 80 revolutions every 12 seconds. At what rate, in revolutions per minute, is the rotor spinning? A) 6.7. C) 128 D) 400

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The main rotor of a helicopter is spinning at a constant rate. The rotor makes 80 revolutions every...

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