College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 113

A roller coaster travels on a frictionless track as shown in Fig. (a) If the speed of the roller coaster at point A is 5.0 m/s, what is its speed at point B (b) Will it reach point C (c) What minimum speed at point A is required for the roller coaster to reach point C

FIGURE Energy conversion(s) See Exercise.