A bicycle is moving at speed $30 k m / h$ . Then speeds at the highest and lowest lowest point of the front wheel are (radius= $2 m$ )

60 k m / h

and

0

respectively

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60 k m / h

for both the points

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30 k m / h

fro both the point

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Not possible to calculate

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Solution

The correct option is C $60 k m / h$ and $0$ respectively
$v_{t} = v + w R$
$v_{b} = v - w R$
for no slipping
$v = w r$
So $v_{t} = v + v$
$v_{b} = v - v$
$v_{t} = 2 v = 60 k m / h$
$v_{b} = 0 k m / h r$

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A bicycle is moving at speed 30km/h. Then speeds at the highest and lowest lowest point of the front wheel are (radius=2m)

The correct option is C 60km/h and 0 respectivelyvt=v+wRvb=v−wRfor no slipping v=wrSo vt=v+vvb=v−vvt=2v=60km/hvb=0km/hr

A bicycle is moving at speed $30 k m / h$ . Then speeds at the highest and lowest lowest point of the front wheel are (radius= $2 m$ )

The correct option is C $60 k m / h$ and $0$ respectively
$v_{t} = v + w R$
$v_{b} = v - w R$
for no slipping
$v = w r$
So $v_{t} = v + v$
$v_{b} = v - v$
$v_{t} = 2 v = 60 k m / h$
$v_{b} = 0 k m / h r$