A 9730-kg car is travelling at 28.7 m/s when the driver decides to exit the freeway by going up a ramp. After coasting 376 m along the exit ramp, the car's speed is 12.6 m/s, and it is h = 13.1 m above the freeway. What is the magnitude of the average drag force Farag exerted on the car? Fama = N

A 9730-kg car is travelling at 28.7 m/s when the driver decides to exit the freeway by going up a ramp. After coasting 376 m along the exit ramp, the car's speed is 12.6 m/s, and it is h = 13.1 m above the freeway. What is the magnitude of the average drag force Farag exerted on the car? Fama = N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

You are in an elevator that is initially at rest. At t=0, it heads downward and speeds up as a function of time. It experiences a velocity given by v(t) = (−2.00t²ĵ)² m S a) What is the normal force that you experience at t=1.20 s? Assume you have a mass of 70.0 kg. b) How far did the elevator drop in 1.20 s?
Suppose a car approaches a hill and has an initial speed of 120 km/h at the bottom of the hill. The driver takes her foot off of the gas pedal and allows the car to coast up the hill. Note: the 790-kg car with an initial speed of 120 km/h is observed to coast up a hill and stops at a height 21 m above its starting point. a.) What is the magnitude of the average force of friction, in newtons, if the hill has a slope 2.7° above the horizontal?
Nilo
Q: A truck (m = 10000 kg) is traveling at a speed of 30 m/s (about 70 mph) down the Kailua side of the Pali Highway when its brakes cut out. The truck driver quickly navigates to a "runaway truck ramp" to slow down enough that he can apply his emergency brakes. If the truck was originally at a height of 10.0m above the bottom of the "runaway truck ramp", and friction is negligible, how high up the ramp (height) does the truck need to go to come to a stop?
A 1090 kg boat is traveling at 92 km/h when its engine is shut off. The magnitude of the frictional force ?→?f→k between boat and water is proportional to the speed v of the boat: fk = 85v, where v is in meters per second and fk is in newtons. Find the time required for the boat to slow to 46 km/h.
The 0.16 kg particle has a speed v = 11.9m / s as it passes the position shown. The coefficient of kinetic friction between the particle and the vertical plane track is mu*k = 0.24 Determine the magnitude of the total force exerted by the track on the particle What is the change in speed v (positive if speeds up, negative is slows down) of the particle?
14. A 66.0 kg skier with an initial velocity of 9.30 m/s slides up a slope of 35.0° to a height of 2.50 m above where she started. The coefficient of kinetic friction is 0.0750. a. Find the force due to friction on the hill. b. Find the skier's velocity at the top of the hill. V = ? KE₁ Vi 35° 2.5 m
While loading furniture into a truck, you push a 1.56 kg chair up a 14.7 degree ramp, with a horizontal force of 12.1 N. How long does it take to reach a speed of 4 m/s, starting from rest? The coefficient of kinetic friction chair - ramp is 0.345.
A 20-kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m. A constant frictional force, introduced at point A, brings the block to rest at point B, 19 m to the right of point A. What is the coefficient of kinetic friction, Hk, of the surface from A to B? 5.0 m A 19 m 0.11 0.52 0.26 0.33 0.47
As a van climbs a 35 ° slope at 60 m/s, its driver falls ill and takes his foot off the accelerator pedal. The van stops after 75 m. Since the ill driver cannot use the foot brake and hand brake, the truck starts to move downhill after a moment's stop. After the van slides 40 meters downhill, the driver begins to brake. Since the braking force is 0.5W (W = weight); a- What is the kinetic friction coefficient between the road and the van? b- Calculate the total time it takes until the van comes to the point where the driver got sick while going down the hill. 35°
Many birds can attain very high speeds when diving. Using radar, scientists measured the altitude of a barn swallow in a vertical dive; it dropped 208 m in 3.0 s. The mass of the swallow was estimated to be 0.018 kg, and its cross-section area as 5.6 x 10-4 m2. What was the drag coefficient for this swallow as it dove?
of air Question 10. A 16.2-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 65.1 N and is directed at an angle of 30° above the horizontal. Determine the coefficient of kinetic friction. Ans: 0.446 Question 11. A person in tui