Questions
A car moves uniformly along a horizontal sine curve , where a and are certain constants. The coefficient of friction between the wheels and the road is equal to k. The maximum constant speed at which the car can travel without sliding is
detailed solution
Correct option is A
The radius of curvature is f≤f2 or f≤kmg Or mv2R≤kmg or v2R≤kg∴vmax2Rmin=kg∴vmax=kgRminxa=π2∴Rmin=α2a ( from equ (i))vmax=kgα2a=αkgaTalk to our academic expert!
Similar Questions
A liquid is kept in a cylindrical vessel which is rotated along its axis. The liquid rises at the side. If the radius of the vessel is 5 cm and the speed of rotation is 4 rev/s, then the difference in the height of the liquid at the centre of the vessel and its sides is
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