alleryएक 120 m लांबीची आगगाडी एका टेलिग्राफच्या खांबाला 12 सेकंदांत ओलांडते. तिचा वेग किती आहे?
A32 km/h
B30 km/h
C40 km/h
D36 km/h
Answer & Solution
Correct answer: D. 36 km/h
ती तिची स्वतःची लांबी 12 s मध्ये पार करते, म्हणून 120 / 12 = 10 m/s, म्हणजेच 36 km/h.
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