Q. A flat (unbanked) curve on a highway has a radius of 200 {rm m}. A car rounds the curve at a speed of 22.0 {rm m}/{rm s}What is the minimum coefficient of friction that will prevent sliding?
Q. A rifle is aimed horizontally at a target 47.0 away. The bullet hits the target 1.80 below the aim point.
What was the bullet's flight time?
What was the bullet's speed as it left the barrel?