Q. An 845 N sled is pulled a distance of 160m. The task requires 1.50 x10^4 J of work and is done by pulling on a rope with the force of 139 N. At what angle is the rope held?
Q. A woman is riding a Jet Ski at a speed of 24.90 m/s and notices a seawall straight ahead. The farthest she can lean the craft in order to make a turn is 21.50°. This situation is like that of a car on a curve that is banked at an angle of 21.50°. If she tries to make the turn without slowing down, what is the minimum distance from the seawall that she can begin making her turn and still keep away from a crash?