Questions
A curved road of 50 m in radius is banked to correct angle for a given speed. If the speed is to be doubled keeping the same banking angle, the radius of curvature of the road should be changed to
detailed solution
Correct option is A
tanθ=v2rg. Here v2r= constant or v12r1=v22r2 or r2=r1×V22V12or r2=50×2V12V12=50×4=200mTalk to our academic expert!
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A circular road of radius R is banked for a speed v = 40 km/hr. A car of mass m attempts to go on the circular road, the friction coefficient between the tyre and road is negligible:
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