alleryଦୁଇ ରନର୍ସ ଏକ ସମାନ ଦିଗରେ 5 ଏବଂ 3 m / s ରେ 400 ମିଟର ସର୍କୁଲାର୍ ଟ୍ରାକରେ ଏକାଠି ଆରମ୍ଭ କରନ୍ତି | ଆରମ୍ଭ ପରେ ପ୍ରଥମ ସାକ୍ଷାତ?
A50 s
B80 s
C200 s
D100 s
Answer & Solution
Correct answer: C. 200 s
ଦ୍ରୁତ ଧାବକଙ୍କୁ 5 − 3 = 2 m/s ଆପେକ୍ଷିକ ବେଗରେ ଏକ 400 m ଚକ୍କର ଆଗୁଆ ହେବା ଦରକାର; ଏଥିପାଇଁ 200 ସେକେଣ୍ଡ ଲାଗେ।
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