A cyclist goes around a circular track of diameter 150m in 5 minutes calaulate his speed and velocity at the end of 7 minutes 30 seconds.
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Answer:
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:
d=105m,
r=105/2m
t=7×60
=420s
Therefore,speed V=2πr/t
=2×22/7×105/2/420
=0.785m/s^2.
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