If a cyclist moving with a speed of \( 4.9 \mathrm{~m} / \mathrm{s} \) on a level road can take ...

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If a cyclist moving with a speed of \( 4.9 \mathrm{~m} / \mathrm{s} \) on a level road can take a sharp circular turn of radius \( 4 \mathrm{~m} \), then coefficient of friction between the cycle tyres and road is
[AIIMS 1999; AFMC 2001]
(a) \( 0.41 \)
(b) \( 0.51 \)
(c) \( 0.61 \)
(d) \( 0.71 \)
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