Saw

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

Correct answer:

v =  1088.6 m/min

Step-by-step explanation:

D=42 cm m=42:100  m=0.42 m o=π D=3.1416 0.421.3195 m  v=825 o=825 1.3195=1088.6 m/min



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