In the given figure, if a cyclist moves from A
to B and circular path ABCD of radius 10
metre in 5 seconds, what is its speed ?
B
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Answer: 2π is the answer. Here's how it is.
Explanation:
Average speed = Total path length / Total time
Path length = Half of perimeter
=10πm
Average speed = 10π/5
= 2πm/s
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