As shown in Fig Q1 in the test of an energy absorbing bumper

Last updated: 6/10/2023

As shown in Fig Q1 in the test of an energy absorbing bumper a 2800 lb car is driven into a barrier at 5 mi h The duration of the impact is 0 4 seconds When the car rebounds from the barrier the magnitude of its velocity is 1 5 mi h Note 1 mph 1 4667 ft sec 20 points a What is the magnitude of the average horizontal force exerted on the car during the impact b What is the average deceleration of the car during the impact