allery1000 ਮੀਟਰ ਦੌੜ ਵਿੱਚ A 10 ਮੀਟਰ/ਸੈਕਿੰਡ ਦੀ ਰਫ਼ਤਾਰ ਨਾਲ ਦੌੜਦਾ ਹੈ ਅਤੇ 100 ਮੀਟਰ ਨਾਲ ਜਿੱਤਦਾ ਹੈ। B ਕਿੰਨੀ ਤੇਜ਼ੀ ਨਾਲ ਦੌੜਦਾ ਹੈ?
A8.5 m/s
B9 m/s
C9.5 m/s
D8 m/s
Answer & Solution
Correct answer: B. 9 m/s
A, 100 s ਲੈਂਦਾ ਹੈ; B, ਉਸ ਸਮੇਂ ਵਿੱਚ 900 m ਨੂੰ ਕਵਰ ਕਰਦਾ ਹੈ, ਜੋ ਕਿ 9 m/s ਹੈ।
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