14) A cyclist goes around a circular track of diameter 105m in 5minutes. Calculate his speed and velocity
at the end of 7 minutes 30seconds.
Answers
Answered by
3
Explanation:
Answer. Speed , V = 2πr / t = 2 × 22 / 7 × 105 / 2 × 300 = 1.10 m/s .
Answered by
14
Answer:
hope this helps u :-)
Explanation:
distance covered=2πr
=2×22/7×105/2 m
=22×15 m
=330 m
T =7 min 30 sec
=60×7 +30 sec
= 420 + 30 sec
=450 sec
speed = 330/450 m/S
=0.733 m/s
displacement = 0 m
time= 450 sec
velocity= 0/450 m/s
=0m/s
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