Acar of m = 1200. kg collides with a tree while traveling 60.0 mph. the collision occurs over a time period of 0.0500 seconds. determine the magnitude of the force exerted on the car as it comes to rest during the collision. (1 m/s = 2.24 mph) 1.58 × 10 3n 1.44 × 10 6n 3.60 × 10 3n 6.4331 × 10 5n