Asked by Brandon
2 part question, only looking for part b.
a) A driver wearing a seat beat decelerates at roughly the same rate as the car it self. Since many modern cars have a "crumble zone" built into the front of the car, let us assume that the car decelerates of a distance of 1.2 m. What is the net force acting on a 62 kg driver who is driving at 18 m/sec and comes to rest in this distance?
b) A drive who does not wear a selt belt continues to move at the initial velocity until she or he hits something solid (e.g the stearing wheel) and then comes to rest in a very short distance. Find the net force on a driver without seatbelts who comes to rest in 0.9 cm.
a) A driver wearing a seat beat decelerates at roughly the same rate as the car it self. Since many modern cars have a "crumble zone" built into the front of the car, let us assume that the car decelerates of a distance of 1.2 m. What is the net force acting on a 62 kg driver who is driving at 18 m/sec and comes to rest in this distance?
b) A drive who does not wear a selt belt continues to move at the initial velocity until she or he hits something solid (e.g the stearing wheel) and then comes to rest in a very short distance. Find the net force on a driver without seatbelts who comes to rest in 0.9 cm.
Answers
Answered by
drwls
Use the following equation for both:
(Force)(Stopping distance) = (1/2) M V^2
V is the car velocity before collision.
I assume they want you to use the same M and V for part b)
(Force)(Stopping distance) = (1/2) M V^2
V is the car velocity before collision.
I assume they want you to use the same M and V for part b)
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