The spool has a mass of 30 kg and a radius of gyration ko = 0.25 m. Block A has a mass of 25 kg, and block B has a mass of 10 kg. They are released from rest as shown in (Figure 1). Assume r = 0.30 m. Part A Figure A B 0.18 m < 1 of 1 Determine the time required for block A to attain a speed of 6 m/s. Neglect the mass of the ropes. Express your answer to three significant figures and include the appropriate units. A t = Value Submit Request Answer Provide Feedback ? Units