A curve of radius 50.9 m is banked so that a car of mass 1.8 Mg traveling with uniform speed 60 km/hr can round the curve without relying on friction...

A curve of radius 50.9 m is banked so thata car of mass 1.8 Mg traveling with uniformspeed 60 km/hr can round the curve withoutrelying on friction to keep it from slipping onAt what angle is the curve banked? Theacceleration due to gravity is 9.8 m/s2 .Answer in units of .