4. A car on an oval track starts from rest at point R and moves clockwise around the track. It increases its speed at a constant rate until it reaches point T and then travels at a constant speed until it returns to point R. R W In the table below, give the direction of the velocity and acceleration of the car at the indicated points. Use the direction labels in the rosette to the right of the racetrack drawing: J for no direction, K for into page, L. for out of page, or M if none of these are correct. Point on track S U V W X Velocity direction Acceleration direction If the distance from Point R to point T is 200 meters and the car takes 11.0 seconds to reach point T. (Show all your work below.) g) What speed does the car reach point T with? h) What is the car's acceleration from point R to point T? i) What amount of net force is exerted on the car from point R to point T, if the car is massed 1400 kg? j) If the car's engine provides a total amount of 5000 N and the only resistant force is the friction from the track, what is the coefficient of kinetic friction between the tires and the track?

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4.
A car on an oval track starts from rest at point R and moves clockwise around the track. It increases its speed at a
constant rate until it reaches point T and then travels at a constant speed until it returns to point R.
W
In the table below, give the direction of the velocity and acceleration of the car at the indicated points. Use the
direction labels in the rosette to the right of the racetrack drawing: J for no direction, K for into page, L. for out of
page, or M if none of these are correct.
Point on track
S
U
V
W
X
Velocity
direction
Acceleration
direction
G
If the distance from Point R to point T is 200 meters and the car takes 11.0 seconds to reach point T. (Show all
your work below.)
g) What speed does the car reach point T with?
h) What is the car's acceleration from point R to point T?
i) What amount of net force is exerted on the car from point R to point T, if the car is massed 1400 kg?
j) If the car's engine provides a total amount of 5000 N and the only resistant force is the friction from the
track, what is the coefficient of kinetic friction between the tires and the track?
Transcribed Image Text:4. A car on an oval track starts from rest at point R and moves clockwise around the track. It increases its speed at a constant rate until it reaches point T and then travels at a constant speed until it returns to point R. W In the table below, give the direction of the velocity and acceleration of the car at the indicated points. Use the direction labels in the rosette to the right of the racetrack drawing: J for no direction, K for into page, L. for out of page, or M if none of these are correct. Point on track S U V W X Velocity direction Acceleration direction G If the distance from Point R to point T is 200 meters and the car takes 11.0 seconds to reach point T. (Show all your work below.) g) What speed does the car reach point T with? h) What is the car's acceleration from point R to point T? i) What amount of net force is exerted on the car from point R to point T, if the car is massed 1400 kg? j) If the car's engine provides a total amount of 5000 N and the only resistant force is the friction from the track, what is the coefficient of kinetic friction between the tires and the track?
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