You are driving your car at 50.0 km/h when you round a turn that has a radius of 25.2 m. if you reduce your speed to 25.0 km/h in 4.32 s, what is the magnitude of your acceleration the instant your speed hits 25.0 km/h? a. 1.61 m/s2 b. 5.79 m/s2 c. 2.50 m/s2 d. 24.9 m/s2 11. you are pulling a 9.0 kg wagon with a force of 15 n at an angle of 200 above the horizontal. if the wagon is moving at a constant speed what is the magnitude of the force of friction between the wagon and the ground? a. 5.13 n b. 88.2 n c, 14.1 n d. 8.8 n 12. two kids are fighting over a 550 g remote control. one kid is pulling on it to the right with a force of 22 n while the other kid pulls on it to the left with a force of 19 n. what is the magnitude of the remote control's acceleration? a. 5.5 m/s2 b. 0.075 m/s2 c. 75 m/s2 d. 0.0055 m/s2 13. two cars collide at an intersection and then lock together. if the 900.0 kg car is traveling north at 28.0 m/s and the 700.0 kg car is traveling west at 32.0 m/s before they collide, what is their speed after they collide? a. 21.1 m/s b. 1.75 m/s c. 29.75 m/s d. 42.5 m/s