a wheel makes 1000 revolutions in covering a distance of 88 kilometre that time metre of the wheel is
a.24m
b.40m
c.20m
d.14m
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1
Answer:
Distance covered in one revolution =
1000
88×1000
=88m
2πR=88⇒2×
7
22
×R=88
⇒R=88×
22
7
×
2
1
R=14m.
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