PHYSICS HELP: Impulse and momentum?

Posted on 2017-02-10 06:35:00 in Physics by NICK

A car, which has a mass of 1830kg, is moving down the highway with a velocity of 28.0 m/s when it goes out of control and collides with a concrete bridge abutment. During the resulting accident the front end of the car crushes a distance of 1.15 meters as the car comes to a halt. 

a) How long will it take for this car to stop? 
b) What average force is applied to the car by the abutment during the collision? 

During the Collision the driver (m=48.3) is belted into place by a seatbelt which is 6.0 centimeters wide and contacts the body of the driver over a length of 73.0 centimeters 

c) What will be the average force applied to the driver during this collision?

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