Problem 5.11 Part A What was the magnitude of the average force exerted on your
ID: 2171172 • Letter: P
Question
Problem 5.11Part A What was the magnitude of the average force exerted on your car during braking? Express your answer using two significant figures.
Part B What was the direction of the average force exerted on your car during braking?
To the direction of motion. orOpposite to the direction of motion.
Part C How far did you travel while braking? Part A What was the magnitude of the average force exerted on your car during braking? Express your answer using two significant figures.
Part B What was the direction of the average force exerted on your car during braking?
To the direction of motion. orOpposite to the direction of motion.
Part C How far did you travel while braking? Part B What was the direction of the average force exerted on your car during braking?
To the direction of motion. orOpposite to the direction of motion.
Part C How far did you travel while braking? Part C How far did you travel while braking?
Explanation / Answer
a) v=v0+at 9.5=16+a*1.5 a=-4.33 F=ma=950*4.33=4113.5 N b) opposite since it slows us down c) v^2 = v0^2 + 2ax 9.5^2 = 16^2 + 2 *-4.33*x x=19.14 m