A car of mass 1000 kg negotiates a banked curve of radius 90 m on a friction less road. If the banking angle is 45^o, the speed of the car is

Question

Accepted Answer

Correct answer: B. (b): Here, m=1000 kg ,R=90m , =45^o For banking tan = v^2 Rg or v= Rg tan = 90 10 tan45^o=30ms^-1

$A car of mass 1000 kg negotiates a banked curve of radius 90 m on a friction less road. If the banking angle is 4 5^{o}, the speed of the car is$