1.

5. A car can move at a maximum speed of 72 km · h-l ona curved road of radius of curvature 100 m. What is thecoefficient of friction between the tyres of the car andthe road?1​

Answer»

Answer:

Speed of the van v=72km/h

∴ v=72 ×

18

5

m/s=20m/s

Coefficient of friction μ=0.5

Radius of curvature R=

μg

v

2

Or R=

0.5×10

20×20

=80 m

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