Question
Question: A circular track or radius 100 m is designed for an average speed 54 km/h. Find the angle of banking...
A circular track or radius 100 m is designed for an average speed 54 km/h. Find the angle of banking.
A
tan-1(3/20)
B
tan-1(9/40)
C
tan-1(3/10)
D
none of these
Answer
tan-1(9/40)
Explanation
Solution
tan θ = rgv2=100×1015×15=409.
θ = tan-1(409)