Question
Download Solution PDF693 मीटर के वृत्ताकार पथ पर, सुजाता और अंजलि एक ही बिंदु से लेकिन विपरीत दिशाओं में क्रमशः 2.85 किमी/घंटा और 1.5 मीटर/सेकंड की गति से चलना शुरू करती हैं। वे पहली बार कब मिलेंगी?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
सुजाता की गति = 2.85 किमी/घंटा
अंजलि की गति = 1.5 मीटर/सेकंड
उनके बीच की दूरी = 693 मीटर
प्रयुक्त अवधारणा:
जब दो व्यक्ति x किमी/घंटा और y किमी/घंटा की गति से विपरीत दिशाओं में यात्रा करते हैं, तो सापेक्ष गति (x + y) किमी/घंटा होती है।
समय = दूरी/गति
गणना:
2.85 किमी/घंटा = 2.85 × (5/18)
⇒ 0.79 मीटर/सेकंड
सापेक्ष गति = 0.79 + 1.5 = 2.29 मीटर/सेकंड
समय = दूरी/सापेक्ष गति
⇒ समय = 693/2.29
⇒ समय = 302.62 सेकंड
⇒ समय = 5.04 मिनट
वे पहली बार 5.04 मिनट बाद मिलेंगी।
Last updated on Jul 19, 2025
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