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A car whose tire have radii 50cm travels at 20km/h. what is the angular velocity of the tires?
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17 votes
17 votes
A car whose tire have radii 50cm travels at 20km/h. what is the angular velocity of the tires?

User Steff
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1 Answer

16 votes
16 votes
  • Radius=r=50cm=0.5m
  • Velocity=20km/h=v

Convert to m/s


\\ \sf\longmapsto v=20* 5/18=5.5m/s

We know


\boxed^2)


\\ \sf\longmapsto \omega=(0.5(5.5))/(|0.5|^2)


\\ \sf\longmapsto \omega=(2.75)/(0.25)


\\ \sf\longmapsto \omega=11rad/s

User Yetta
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