alleryA 120 m ट्रेन 54 km/h 180 m ट्रेन 60 s मध्ये त्याच प्रकारे पुढे जात आहे. ट्रेनचा वेग कमी?
A36 km/h
B30 km/h
C40 km/h
D45 km/h
Answer & Solution
Correct answer: A. 36 km/h
सापेक्ष गती आहे (120 + 180)/60 = 5 m/s;
स्लो ट्रेन 15 − 5 = 10 m/s = 36 km/h वर धावते.
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