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Standard VIII

Physics

Time Period

A cyclist rid...

Question

$A$ cyclist rides a bicycle with a wheel radius of $0.500 m$ across campus. $A$ piece of plastic on the front rim makes a clicking sound every time it passes through the fork. If the cyclist counts $320$ clicks between her apartment and the cafeteria, how far has she traveled?

1.5 k m

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0.80 k m

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1.0 k m

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0.50 k m

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Solution

The correct option is C $1.0 k m$
The wheel has a radius of $0.500 m$ and made $320$ revolutions. The distance traveled is

$s = r θ = (0.500 m)$ $(320 r e v)$
$(\frac{2 π r a d}{1 r e v})$
$= 320 π m = 1.00 \times 10^{3} m = 1.00 k m$
Final Answer: $(c)$

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Time Period

Standard VIII Physics

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A cyclist rides a bicycle with a wheel radius of 0.500 m across campus. A piece of plastic on the front rim makes a clicking sound every time it passes through the fork. If the cyclist counts 320 clicks between her apartment and the cafeteria, how far has she traveled?

The correct option is C 1.0 kmThe wheel has a radius of 0.500 m and made 320 revolutions. The distance traveled is s=rθ=(0.500 m) (320rev) (2π rad1 rev) =320 πm=1.00×103 m=1.00 km Final Answer: (c)

$A$ cyclist rides a bicycle with a wheel radius of $0.500 m$ across campus. $A$ piece of plastic on the front rim makes a clicking sound every time it passes through the fork. If the cyclist counts $320$ clicks between her apartment and the cafeteria, how far has she traveled?

The correct option is C $1.0 k m$
The wheel has a radius of $0.500 m$ and made $320$ revolutions. The distance traveled is

$s = r θ = (0.500 m)$ $(320 r e v)$
$(\frac{2 π r a d}{1 r e v})$
$= 320 π m = 1.00 \times 10^{3} m = 1.00 k m$
Final Answer: $(c)$