A roller-coaster vehicle has a mass of 498 kg when fully loaded with passengers (see figure). 15ml 10 m (a) If the vehicle has a speed of 19.0 m/s at point A, what is the force of the track on the vehicle at this point? (b) What is the maximum speed the vehicle can have at point B in order for gravity to hold it on the track? m/s

A roller-coaster vehicle has a mass of 498 kg when fully loaded with passengers (see figure). 15ml 10 m (a) If the vehicle has a speed of 19.0 m/s at point A, what is the force of the track on the vehicle at this point? (b) What is the maximum speed the vehicle can have at point B in order for gravity to hold it on the track? m/s

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And The Law Of Gravity

Section: Chapter Questions

Problem 32P

See similar textbooks

Similar questions

The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on the box and friction is opposing you. Then, you stop pushing the box. Use g = 10 m/s?. v(m/s) 8.0 6.0 4.0 2.0 1.0 2.0 3.0 t(s) Find the normal force acting on the box.
14. A 25.0 kg girl goes down a slide at an amusement park, reaching the bottom. The slide is 10.0m long and the top end is 3.00m above the ground, bottom is 0.30m above the ground. The coefficient of friction between the girl and the slide is 0.150. What velocity will she exit, at the bottom of the slide. Draw a FBD, explain what you are doing h₁
A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing the car to a stop. If the coefficient of static friction between the car's tires and the road is 0.8, what minimum distance does the car need in order to stop? 17.6 m O 15.4 m O 16.5 m O 14.3 m
1. A force F=100 N is acting on an object of mass m=10 kg. The force makes an angle of 10° with the x-axis. Calculate the acceleration of the 9.85 m/s 8.69 m/s object. A в 7.52 m/s D 6.34 m/s 2. A 1000 kg object is rising. Its speed is increasing at 3 m/s. The force on the object is: A 1000 N B 3000 N 9800 N D 12800 N 3. A 16 kg object is initially at rest. A constant force of 8.0 N is exerted for 4 s on that object. The change in speed of this object will be 2.0 m/s 6.0 m/s 0.5 m/s 4.0 m/s A B D
A bus of mass 760 kg requires 120 m to reach certain velocity value Vf. Ignore friction and drag forces and assume the bus engine exerts a constant forward force F. When the bus is towing a 330-kg small car, how long-distance needed to reach the same Vf? If the Vf of the bus is 28 m/s, what is the tension in the tow cable between bus and small car?
The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on the box and friction is opposing you. Then, you stop pushing the box. Use g = 10 m/s?. v(m/s) 8.0 6.0 4.0 2.0 1.0 2.0 3.0 t(s) Assume the frictional force is constant throughout the motion and find the frictional force.
A 400 N body starts up a 30 degree incline (f=D0.2) with a velocity of 3m/s. a. How long must a 500 -N horizontal force act on the body to increase its velocity to 8m/sec? (s) b. How far will the body travel while the force is acting? (m) NOTES ON ANSWERING FOR THIS PROBLEM: 1. ANSWER IN POSITIVE VALUES ONLY 2. ANSWER IN 1 DECIMAL PLACE ONLY (i.e. IF YOUR FINAL ANSWER IS 6.82, INPUT 6.8 IF YOUR FINAL ANSWER IS 19.55 ANSWER 19.6) 400 N 500 N 0.2N 300 N.
A 128 lb person steps into an elevator at the ground floor. The elevator accelerates upward at 5.0 ft/s^2 until reaching a velocity of 24 ft/s. It then holds this velocity until decelerating (a=-5.0 ft/s^2) to a stop at the top floor. What is the normal force on the person in each of the three phases of this trip?
The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on the box and friction is opposing you. Then, you stop pushing the box. Use g = 10 m/s?. v(m/s) 8.0 6.0 4.0 2.0 1.0 2.0 3.0 t(s) Assume the frictional force is constant throughout the motion and find your pushing force.
Two forces act on a 2.90 kg object, the gravitational force and a second, constant force. The object starts from rest and in 1.20 s is displaced (4.10 3.30ĵ) m. Write the second force in unit vector notation. (Enter your answer in kg. m/s². Assume the gravitational force acts in the -ĵ direction.) kg. m/s² F
A rope exerts a constant horizontal force of 280 N to pull a 50kg crate across the floor. the velocity of the crate is observed to increase from 1m/s to 7m/s in a time of 2 seconds under the influence of this force and the frictional force exerted by the floor on the crate. What is the acceleration of the crate?
A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the hockey puck and the metal ramp are us 0.40 and uk = 0.30, respectively. The puck's initial speed is 4.9 m/s. What speed does it have when it slides back down to its starting point? 2.8 m/s 4.9 m/s 4.2 m/s 3.5 m/s