Question

The diameter of a bicycle wheel is 0.5 m. How far will it travel , if it makes 100 revolutions

Answer 1

Answer:

157m

Step-by-step explanation:

Find Circumference :

$\implies$ $\sf{C=πd }$

$\implies$ $\sf{C=3.14×0.5 }$

$\implies$ $\sf{C=1.57m }$

To find Distance :

$\implies$ $\sf{Distance=C×no.of\: revolutions }$

$\implies$ $\sf{D=1.57×100 }$

$\implies$ $\boxed{\sf{Distance=157\:m }}$

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Answer 2

Answer:

157.14 or 1100/7

Step-by-step explanation:

1 revolution will cover a distance of 2πr meters

so radius of wheel is 0.5/2 m

100 revolutions will cover  100 x 2 x 22/7 x 5/20 m

= 100 x 11/7

= 1100/7 m or 157.14 m