a curve along the highway is to be banked for traffic expected to move at 80km/hr. find the angle of banking if the radius of the curve is 100 meters

Answer 1

80 km/hr * 1 hr/3600s * 1000 m/km
= 22.2 m/s

tan T = v^2/r / g = v^2/gr

tan T = 22.2^2/(981)

tan T = .502

T = 26 deg 39 min