2) What is the acceleration of a 2.7 kg box sliding across the floor under the action of a net force of 33 N? 3) The graph shows velocity versus time for a 4.9 kg cart pulled along a flat road by a constant horizontal force What is the magnitude of the net force acting on the cart? velocity (m/s) time (s) 4). A net force of 45 N acts on a shopping cart full of groceries producing an acceleration of 3.0 m/s . If the empty cart has a mass of 4.0 kg. what is the total mass of the groceries inside? a) 15 kg b) 19 kg c) 0.27 kg d) 11 kg e) 4.0 kg 5) A 3.0 kg box is living at rest on a frictionless surface. How far will the box travel in 17 s if a constant net force of 7.5 N is applied? a) 361 m b) 25 m C) 740 m ch) 43 m e) 2300 m