Question

A cyclist goes once round a circular track of diameter 105m in 5 minutes. Calculate his
speed.​

Answer 1

Answer:

the answer is 1.10m/s

Explanation:

Here, diameter = 105m , radius (r) = 105 / 2

Time taken t = 5 × 60 = 300s

Speed , V = 2πr / t = 2 × 22 / 7 × 105 / 2 × 300 = 1.10 m/s .

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Answer 2

Answer:

you can't become an astronaut ........