A wheel of diameter 35 cm completes 10 revolutions in travelling from P to Q.
What is the distance between P and Q?
a)3 m 50 cm
b)1 m 10 cm
c)22 m
d)11 m
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Answer:
Hey!!!!!
________
We have, for a wheel
=> d = 35cm
=> r = 35/2 cm (d = 2r)
Distance in 1 revolution = Circumference
=> Circumference = 2πr
2×22/7×35/2
=> 22 x 5
=> 110 cm
Thus the wheel will cover 110cm in one revolution
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