College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Chapter 6, Problem 30PE
Integrated Concepts
If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads). (a) Calculate the ideal speed to take a 100 m radius curve banked at 15.0°. (b) What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 20.0 km/h?
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If a car takes a banked curve at less than a given speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads).
a) Calculate the minimum speed, in meters per second, required to take a 84 m radius curve banked at 14° so that you don't slide inwards, assuming there is no friction.
b)What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 25 km/h?
A car takes a banked curve at less than the ideal speed , speed , friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads ). calculate the ideal speed to take a 120 m radius curve banked at 15 degrees
(b) what is the minimum coefficient of friction needed for a freighened driver to take the same curve at 30.0 km/h ?
13) If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads).
(a) Calculate the ideal speed in (m/s) to take a 110 m radius curve banked at 15°.
_____ m/s
(b) What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 20.0 km/h?
Chapter 6 Solutions
College Physics
Ch. 6 - There an analogy between rotational and physical...Ch. 6 - Can centripetal acceleration change the speed of...Ch. 6 - If you wish to reduce the stress (which related to...Ch. 6 - Define centripetal force. Can any type of force...Ch. 6 - If centripetal force is directed toward the...Ch. 6 - Pace car drivers routinely cut corners as shown in...Ch. 6 - A number of amusement parks have rides that make...Ch. 6 - What is the direction of the force exerted by the...Ch. 6 - As a skater forms a circle, what force is...Ch. 6 - Suppose a child is riding on a merry-go-round at a...
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