Editor
A wheel of diameter 100 cm makes 0.5 rev $sec^{-1}. The linear speed of a particle on its rim is:
Difficulty: Easy
A: 
$\pi (m sec^{-1})$
B: 
$0.5 \pi (m sec^{-1})$
C: 
$50 \pi (m sec^{-1})$
D: 
None
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