A) 22.4 m/s
B) 5.6 m/s
C) 11.2 m/s
D) None of the above
Correct Answer: C
Solution :
Maximum velocity of the car is given by \[v=\sqrt{\mu rg}\] Given: \[\mu =0.64,\text{ }r=20\text{ }m,\] \[\therefore \]\[v=\sqrt{0.64\times 20\times 10}=\sqrt{0.64\times 200}\] \[=\sqrt{128}=11.2m/s\]
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