alleryଏକ ଟ୍ରେନର ଲମ୍ବ କେତେ? I: ଏହା ଏକ ଖୁଣ୍ଟକୁ 10 s ରେ ଅତିକ୍ରମ କରେ। II: ଏହାର ବେଗ 36 km/h ଅଟେ।
Aକେବଳ I ଯଥେଷ୍ଟ
Bକେବଳ II ଯଥେଷ୍ଟ
Cଏକତ୍ର ହେଲେ ମଧ୍ୟ କୌଣସିଟି ପର୍ଯ୍ୟାପ୍ତ ନୁହେଁ
Dଉଭୟ ଏକତ୍ର ଆବଶ୍ୟକ
Answer & Solution
Correct answer: D. ଉଭୟ ଏକତ୍ର ଆବଶ୍ୟକ
36 km/h ବେଗ ହେଉଛି 10 m/s ଏବଂ ଖୁଣ୍ଟଟିକୁ 10 s ରେ ଅତିକ୍ରମ କରାଯାଏ, ତେଣୁ ଉଭୟକୁ ବ୍ୟବହାର କରି ଲମ୍ବ ହେଉଛି 100 m।
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