A cyclist moving on a circular track of radius 40m complete revolution in 4 minutes. What is the (i) average speed (ii) average velocity in one full revolution?
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Answer:
Correct option is
B
2 ms
−1
Displacement is 2R.
Time is 40 sec.
Average velocity =
40
2R
=
40
2×40
v
av
=2m/s.
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