एक पहिया (7) सेकंड में (42) रेडियन घूमता है। (3) सेकंड में वह कितने डिग्री घूमेगा?
A wheel turns (42) radians in (7) seconds. Through how many degrees will it turn in (3) seconds?
Explanation opens after your attempt
A. \( \frac{1080^\circ}{\pi} \)
Concept
The rate is (6) radians per second, so in (3) seconds it turns (18) radians, which is \(18\cdot\frac{180^\circ}{\pi}=\frac{3240^\circ}{\pi}\).
Why this answer is correct
The correct answer is A. \( \frac{1080^\circ}{\pi} \). The rate is (6) radians per second, so in (3) seconds it turns (18) radians, which is \(18\cdot\frac{180^\circ}{\pi}=\frac{3240^\circ}{\pi}\).
Exam Tip
दर (6) रेडियन प्रति सेकंड है इसलिए (3) सेकंड में (18) रेडियन यानी \(18\cdot\frac{180^\circ}{\pi}=\frac{3240^\circ}{\pi}\) है।
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