Assignment:
Question 1. The 20-lb cart B is supported on rollers of negligible size. If a 10-lb suitcase A is thrown horizontally on it at 10 ft/s, determine the time t and the distance B moves before A stops relative to B. The coefficient of kinetic friction between A and B is μk =0.4.
Question 2. Determine the magnitude of the angular momentum of the 2.5-kg particle about point O.
a. 104 (kg m2)/s
b. 182 (kg m2)/s
c. 262 (kg m2)/s