Saw

Blade circular saw with a diameter 42 cm turns 825 times per minute. Expresses his cutting speed in meters per minute.

Correct result:

v =  1088.6 m/min

Solution:

v=825⋅π⋅(42/100)=1088.6 m/minv = 825 \cdot \pi \cdot (42/100) = 1088.6 \ \text{m/min}

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