Golf ball

When a golf ball is hit with a 2 iron, it rotates at a rate of 8 1/3 times/second. How many times does this ball rotate if it is airborn for 7 1/3 seconds

Correct answer:

n =  61.1111

Step-by-step explanation:

v=813=8+13=8 3+13=2538.3333 rps t=713=7+13=7 3+13=2237.3333 s  n=v t=8.3333 7.3333=5509=6119=61.1111

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