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A wheel makes 360 revolutions in one minute. Through how many RADIANS does it turn in one second?

A6π radian
B360 radian
C6 radian
D12π radian
Answer & Solution
Correct answer: D. 12π radian
360 revolutions per 60 seconds = 6 revolutions per second. Each revolution is 2π radians → 6 × 2π = 12π radians per second.
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