Q. As part of a safety investigation, two 1900 cars traveling at 25 are crashed into different barriers. Find the average forces exerted on (a) the car that hits a line of water barrels and takes 1.8 to stop, and (b) the car that hits a concrete barrier and takes 0.5 to stop.
Q. determinate the stopping distance for a skier moving down a slope with friction with an initial speed of 20.o m/s. assume uk=0.180 and = 5.00 degrees.