alleryदोन रेल्वेगाड्यांची लांबाय 180 m आनी 220 m आसा. त्यो विरुद्ध दिशांनी 54 आनी 36 km/h वेगान धांवतात. एकामेकांक पुरायपणान ओलांडपाक कितलो वेळ लागता?
A12 s
B20 s
C16 s
D25 s
Answer & Solution
Correct answer: C. 16 s
हें .
ते 90 km/h = 25 m/s ह्या सापेक्ष गतीचेर 400 m व्यापतात आनी ताका 16 सेकंद लागतात.
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