alleryਇੱਕ 200 m ਦੌੜ A B ਦੁਆਰਾ 20 m ਵਿੱਚ ਬੀਟਸ। A 10 m/s 'ਤੇ ਚੱਲਦਾ ਹੈ। B ਦੀ ਗਤੀ ਕੀ ਹੈ?
A8 m/s
B9 m/s
C8.5 m/s
D9.5 m/s
Answer & Solution
Correct answer: B. 9 m/s
A 20 ਸਕਿੰਟਾਂ ਵਿੱਚ ਖਤਮ ਹੁੰਦਾ ਹੈ, ਜਿਸ ਦੌਰਾਨ B ਕਵਰ ਕਰਦਾ ਹੈ 180 m, 9 m/s ਦਿੰਦਾ ਹੈ।
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