Recent content by PhysicsDerp

Since it is downward at an angle of 20 ∘ "below the horizontal" shouldn't my angle be 70 degrees when I draw my triangle? The angle at the bottom of the hill would be 20 I thought. Can you tell me if my net force equation is correct?

Homework Statement The problem reads : You are riding your motorcycle one day down a wet street that slopes downward at an angle of 20 ∘ below the horizontal. As you start to ride down the hill, you notice a construction crew has dug a deep hole in the street at the bottom of the hill. A...

Homework Statement A curve with a 140m radius on a level road is banked at the correct angle for a speed of 20 m/s. If an automobile rounds this curve at 30 m/s, what is the minimum coefficient of static friction between tires and road needed to prevent skidding? Homework Equations F_fr =...