allery180 m ଓ 220 m ଲମ୍ବର ଟ୍ରେନ୍ ଯଥାକ୍ରମେ 54 ଓ 36 km/h ବେଗରେ ବିପରୀତ ଦିଗକୁ ଯାଆନ୍ତି। ସମ୍ପୂର୍ଣ୍ଣ ଅତିକ୍ରମ କରିବାକୁ କେତେ ସମୟ ଲାଗେ?
A12 s
B20 s
C16 s
D25 s
Answer & Solution
Correct answer: C. 16 s
ସେମାନେ 90 km/h = 25 m/s ଆପେକ୍ଷିକ ବେଗରେ 400 m ଅତିକ୍ରମ କରନ୍ତି; ଏଥିପାଇଁ 16 ସେକେଣ୍ଡ ଲାଗେ।
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