ఒక రోలర్ ఒక గంటలో 20 భ్రమణాలు చేస్తుంది. ఇది 25 నిమిషాల పాటు నడిస్తే రేడియన్లు:

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RRB ALP Previous Paper 10 (Held On: 10 Aug 2018 Shift 1)
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  1. 150π/7
  2. 250π/3
  3. 50π/3
  4. 50π/7

Answer (Detailed Solution Below)

Option 3 : 50π/3
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Detailed Solution

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ఒక రోలర్ ఒక గంటలో 20 విప్లవాలు చేస్తుంది,

⇒ 1 నిమిషంలో భ్రమణం = 20/60

⇒ 25 నిమిషాల్లో భ్రమణాలు = 25/3

1 భ్రమణం = 2π రేడియన్

∴ ఇది 25 నిమిషాల్లో = 50π/3 రేడియన్స్ నడుస్తుంది

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