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A box having a weight of 4 lb is moving around in a circle of radius TA = 2 ft with a speed of (VA)1=5 ft/s while connected to the end of a rope. The rope is pulled inward with a constant speed of v, = 4 ft/s. Neglect friction and the size of the box. (Figure 1) Figure (A)-5 ft/s A=2 ft 5₂-40/ <1 of 1 --1ft-
▼ Determine the speed of the box at the instant B = 1 = 1 ft. Express your answer to three significant figures and include the appropriate units. UB= Part B Submit Request Answer μÅ UAB Value = How much work is done after pulling in the rope from A to B? Express your answer to three significant figures and include the appropriate units. HÅ Units Value Units ? www. ?