An object of mass m, = 4.90 kg placed on a frictionless, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging object of mass my = 7.20 kg as shown in the figure. mo (a) Draw free-body diagrams of both objects. Choose File | No file chosen This answer has not been graded yet. (b) Find the magnitude of the acceleration of the objects. m/s2 (c) Find the tension in the string. NA woman at an airport is towing her 23.5 kg suitcase at constant speed by pulling on a strap at an angle @ above the horizontal (see figure). She pulls on the strap with a 38.2 N force, and the friction force on the suitcase is 20.0 N. (a) Draw a free-body diagram of the suitcase. Choose File | No file chosen This answer has not been graded yet. (b) What angle does the strap make with the horizontal (in degrees)? (c) What is the magnitude of the normal force that the ground exerts on the suitcase (in N)? (d) What If? If the woman still pulls on the strap with a 38.2 N force but wishes to accelerate the suitcase at a rate of 0.500 m/s", at what angle (in degrees) must she pull on the strap? Assume that the rolling friction is independent of the angle of the strap. (e) What is the maximum acceleration of the suitcase if the woman can exert a maximum force of 38.2 N? (Enter the magnitude in m/s2.) m/s 2A 3.20-kg block starts from rest at the top of a 30.0 incline and slides a distance of 1.90 m down the incline in 1.60 s. (a) Find the magnitude of the acceleration of the block. m/s2 [b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. magnitude N direction ---Select--- (d) Find the speed of the block after it has slid 1.90 m. m/sTwo blocks connected by a rope of negligible mass are being dragged by a horizontal force (see figure below). Suppose F = 73.0 N, m, = 14.0 kg, my = 20.0 kg, and the coefficient of kinetic friction between each block and the surface is 0.098. F (a) Draw a free-body diagram for each block. Choose File |No file chosen This answer has not been graded yet. (b) Determine the acceleration of the system. m / s 2 (c) Determine the tension 7 in the rope. N