The verbal descriptions of physical situations and the corresponding free-body diagrams are given below. Use your understanding of Newton's laws and centripetal force to fill in the blanks. PSYWa. A bucket of water (m-2.0 kg) is attached to a 0.80-m long string and spun in a vertical circle. The speed of the water at the top of the circular path is 3.0 m/s. b. A bucket of water (m-2.0 kg) is attached to a 0.80-m fong string and spun in a vertical circle. The speed of the water at the bottom of the circular path is 6.0 m/s. C. A 500-kg roller coaster car is at the top of the loop on the Shockwave. The radius of the loop is 4.0 m and the speed is 8,0 m/s. d.A 500 kg roller coaster car is at the bottom of a loop dy the Shockwave. The radius of the loop is 20 m and the speed is 24 m/s.