allery200 m ଦୌଡ଼ରେ A, B କୁ 20 m ରେ ହରାଏ। A ର ବେଗ 10 m/s। B ର ବେଗ କେତେ?
A8 m/s
B9 m/s
C8.5 m/s
D9.5 m/s
Answer & Solution
Correct answer: B. 9 m/s
A 20 ସେକେଣ୍ଡରେ ସମାପ୍ତ, ଯେଉଁଥିରେ B 180 m କୁ ଆବୃତ କରେ, 9 m/s ଦେଇଥାଏ |
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