कोणीय चाल \(\frac{\pi}{15}\) रेडियन प्रति सेकंड है। \(240^\circ\) घूमने में कितना समय लगेगा?
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Correct Answer
C. (20) सेकंड(20) seconds
Concept
\(240^\circ=\frac{4\pi}{3}\) radians. Time is \(\frac{4\pi/3}{\pi/15}=20\) seconds.
Why this answer is correct
The correct answer is C. (20) सेकंड / (20) seconds. \(240^\circ=\frac{4\pi}{3}\) radians. Time is \(\frac{4\pi/3}{\pi/15}=20\) seconds.
Exam Tip
\(240^\circ=\frac{4\pi}{3}\) रेडियन है। समय \(\frac{4\pi/3}{\pi/15}=20\) सेकंड होगा।
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