- A Cart Moves To The Right Along A Frictionless Track What Is The Minimum Speed Of The Cart At Point 1 Such That It Can 1 (52.46 KiB) Viewed 32 times
A cart moves to the right along a frictionless track. What is the minimum speed of the cart at point 1 such that it can reach point 2? Use g = 10 m/s2 20.0 m 15.0 m 10.0 m 0 14.1 m/s depends on the mass of the cart 17.3 m/s O 10.0 m/s 20.0 m/s Question 5 1 pts A ball rolls without friction along a track of changing elevation (vertical coordinate). The total energy (red line) and potential energy U (blue curve) versus horizontal distance x is shown in the figure below. The unit of energy is J (1) per grid line) and the unit of distance is m (0.5 m per grid line). U 6 5 4 3 2 1 0 O 1 2 3 At x = 1 m, what is the force on the ball? 0 -1.0 N +1.0 N 0 -0.5 N +2.0 N +0.5 N