Assignment 15 of 20 Questions 0% Your score has been saved, but it's taking longer than Resources Check Answer Score A Ly Give Up? 9 Hint usual to display. X 8 Question 0% 0 of co Attempts An object of mass m1 = 0.145 kg undergoes uniform circular motion. It is connected by a massless string through a hole in R 9 Question 0% m, 0 of co Attempts a frictionless table to a larger object of mass m2 = 0.225 kg, Macmillan Learning as shown in the figure. Assuming the larger object is 10 Question 0% stationary, calculate the tension T in the string and the linear 0 of co Attempts speed u of the circular motion of the smaller object on the m2 table. Assume that the radius R of the circular path of the 11 Question 0% smaller object is equal to 1.00 m. 0 of co Attempts 12 Question 0% 0 of co Attempts T = N 13 Question 0% 0 of co Attempts 14 Question 0% U = m/s 0 of co Attempts 15 Question 0% 0 of co Attempts 16 Question 0% 0 of co Attempts 17 Question 0% 0 of co Attempts 18 Question 0% 0 of co AttemptsAssignment 16 of 20 Questions 0% Your score has been saved, but it's taking longer than Resources Ly Give Up? Hint Check Answer Score usual to display. Press ESC to exit full screen 10 Question 0% 0 of co Attempts Suppose a NASCAR race car rounds one end of the Martinsville Speedway. This end of the track is a turn with a radius of 11 Question 0% approximately 57.0 m. If the track is completely flat and the race car is traveling at a constant 30.5 m/s (about 68 mph) around 0 of co Attempts the turn, what is the race car's centripetal (radial) acceleration? Macmillan Learning 12 Question 0% 0 of co Attempts centripetal acceleration: m/$2 13 Question 0% 0 of co Attempts 14 Question 0% Which force is responsible for the centripetal acceleration in this case? 0 of co Attempts 15 Question 0% O friction 0 of co Attempts O normal O weight 16 Question 0% 0 of co Attempts O gravity 17 Question 0% 0 of co Attempts What is the minimum coefficient of static friction between the race car's tires and the track necessary to keep the car from 18 Question 0% skidding into the wall on the outside of the turn? 0 of co Attempts 19 Question 0 of co Attempts coefficient of static friction: 20 Question 0% 0 of co AttemptsAssignment 17 of 20 Questions 0% Your score has been saved, but it's taking longer than A Resources Ly Give Up? 9 Hint Check Answer Score usual to display. 10 Question 0% 0 of co Attempts 20 A 5.25 kg ball is attached to the top of a vertical pole with a 11 Question 0% 2.43 m length of massless string. The ball is struck, causing it 0 of co Attempts to revolve around the pole at a speed of 4.49 m/s in a @ Macmillan Learning horizontal circle with the string remaining taut. Calculate the 12 Question 0% angle 0, between O' and 90, that the string makes with the 0 of co Attempts pole. Use g = 9.81 m/s2. 13 Question 0% 0 of co Attempts 0 = 14 Question 0% 0 of co Attempts 15 Question 0% What is the tension T of the string? 0 of co Attempts 16 Question 0% 0 of co Attempts T = N 17 Question 0% 0 of co Attempts 18 Question 0% 0 of co Attempts 19 Question 0 of co Attempts 20 Question 0% 0 of co Attempts