Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 18.1, Problem 1cTH
Rank the magnitudes of the centripetal acceleration of point A at the three limes shown
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Thinking Mathematically: Explore the quantitative dependencies of the acceleration upon the speed and the radius of curvature. Then answer the following questions. Choose the right answer in the parenthesis.
For the same speed, the acceleration of the object varies (directly, inversely) with the radius of curvature.
For the same radius of curvature, the acceleration of the object varies i(directly, inversely) with the speed of the object.
As the speed of an object is doubled, the acceleration is (one-fourth, one-half, two times, four times) the original value.
4. As the speed of an object is tripled, the acceleration is (one-third, one-ninth, three times, nine times) the original value.
Consider an airplane flying clockwise in a circular path of radius 20.0 m at a constant speed of 30.0 m/s.1. What is the magnitude of the centripetal acceleration of the plane?2. What is the magnitude of the tangential acceleration of the plane?
A sphere with a radius of 12 m undergoes uniform circular motion with a period of 17 minutes.
Calculate the magnitude of the centripetal acceleration (in mm-s-2) of a point on the surface of the sphere at 22.6° N latitude.
Chapter 18 Solutions
Tutorials in Introductory Physics
Ch. 18.1 - What is the direction of the angular velocity of...Ch. 18.1 - What is the direction of the wheel’s angular...Ch. 18.1 - Rank the magnitudes of the centripetal...Ch. 18.1 - For each situation described below, describe a...Ch. 18.1 - The equation a0andaR0 is not a correct vector...Ch. 18.2 - Prob. 1aTHCh. 18.2 - Draw an extanded freebody diagram for the ruler at...Ch. 18.2 - Rank the magnitudes of all the forces on your...Ch. 18.2 - Is the rotation of the ruler about the pivot in a...Ch. 18.2 - In the boxes at right, indicate the direction of...
Ch. 18.2 - Check that your descriptions of the motion of the...Ch. 18.2 - Parts iiv refer to the instant shown in the...Ch. 18.2 - Suppose that each force shown above is exerted for...Ch. 18.3 - What does this observation imply about the net...Ch. 18.3 - Draw an extended free-body diagram for theboard in...Ch. 18.3 - Would the board remain at rest in this case?...Ch. 18.3 - On the figure above, mark the approximate location...Ch. 18.3 - Is the amount of mass of the system (clay and...Ch. 18.3 - A T-shaped sheet of uniform thickness has a...
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