alleryদুজন দৌৰবিদে একেলগে 400 m বৃত্তাকাৰ ট্ৰেকত 5 আৰু 3 m/s একে দিশত আৰম্ভ কৰে। আৰম্ভণিৰ পিছত প্ৰথম মিটিং?
A50 s
B80 s
C200 s
D100 s
Answer & Solution
Correct answer: C. 200 s
দ্ৰুত দৌৰবিদজনে 5 − 3 = 2 m/s ত এটা 400 m লেপ লাভ কৰিব লাগিব, 200 ছেকেণ্ড সময় ল’ব লাগিব।
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