alleryਇੱਕ 150 ਮੀਟਰ ਲੰਬੀ ਰੇਲਗੱਡੀ 10 ਸਕਿੰਟਾਂ ਵਿੱਚ ਇੱਕ ਬਿਜਲੀ ਦੇ ਖੰਭੇ ਤੋਂ ਲੰਘਦੀ ਹੈ। ਰੇਲਗੱਡੀ ਦੀ ਗਤੀ ਪਤਾ ਕਰੋ:
A10 m/s
B12 m/s
C20 m/s
D15 m/s
Answer & Solution
Correct answer: D. 15 m/s
ਗਤੀ = ਲੰਬਾਈ / ਸਮਾਂ = 150 m / 10 s = 15 m/s.
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