allery54 km/h ବେଗରେ ଯାଉଥିବା ଏକ 180 m ଟ୍ରେନ୍ ସମାନ ଦିଗରେ 18 km/h ବେଗରେ ଦୌଡ଼ୁଥିବା ଜଣେ ଜଗରଙ୍କୁ ଅତିକ୍ରମ କରେ। ଜଗରଙ୍କୁ ଅତିକ୍ରମ କରିବାକୁ କେତେ ସମୟ ଲାଗିବ?
A15 seconds
B18 seconds
C12 seconds
D20 seconds
Answer & Solution
Correct answer: B. 18 seconds
ଆପେକ୍ଷିକ ବେଗ 36 km/h = 10 m/s, ଏବଂ 180 / 10 = 18 seconds।
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