Physics
5th Edition
ISBN: 9781260486919
Author: GIAMBATTISTA
Publisher: MCG
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Chapter 5, Problem 23P
A roller coaster car of mass 320 kg (including passengers) travels around a horizontal curve of radius 35 m. Its speed is 16 m/s. (a) What are the magnitude and direction of the total force exerted on the car by the track? (b) What is the banking angle of the track if the frictional force is zero, so that the track exerts only a normal force on the car?
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Chapter 5 Solutions
Physics
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- A flat (unbanked) curve on a highway has a radius of 220.0 m. A car rounds the curve at a speed of 25.0 m/s. (a) What is the minimum coefficient of friction that will prevent sliding? (b) Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part (a). What should be the maximum Speed of the car so it can round the curve safely?arrow_forwardAn engineer wants to design an oval racetrack such that 3.20 × 10³ lb racecars can round the exactly 1000 ft radius turns at 1.00 x 102 mi/h without the aid of friction. She estimates that the cars will round the turns at a maximum of 175 mi/h. Find the banking angle necessary for the race cars to navigate the turns at 1.00 × 10² mi/h without the aid of friction. 0 = What additional radial force F, is necessary to prevent a race car from drifting on the curve at 175 mi/h? This banking and radius are very close to the actual turn data at Daytona International Speedway, where 3.20 × 10³ lb stock cars travel around the turns at about 175 mi/h. 0 Fr= Narrow_forwardA vehicle drives around a flat circular corner with a radius of 105m. If the maximum coefficient of static friction between the wheels and pavement is 0.90, then what is the maximum speed that the car can maintain without skidding?arrow_forward
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