You have a weekend job selecting speed limit signs to put at road curves

Subject:PhysicsPrice:2.87 Bought7

Share With

You have a weekend job selecting speed limit signs to put at road curves. The speed limit is determined by the radius of the curve and the bank angle.

Part A

For a turn of radius 410m and a 7.0? bank angle, what speed limit should you post so that a car traveling at that speed negotiates the turn successfully even when the road is wet and slick?

v = ?