Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 2.3, Problem 3cT
Predict:
• what will happen to object C when it is released.
• how the motion of object C will compare to the motion of object A after they are released.
Explain the basis for your predictions. Do not use algebra.
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• a. Determine the velocity of the bus from 0.00 h to 1.00 h.
• b. What was the average velocity of the bus over the whole 2.50 h?
• c. Compare the motion of the bus in Parts A and B. In your answer, discuss the direction in which the buses are moving, and compare the magnitudes of their velocities.
• d. What was the instantaneous velocity at 2.25 h?
5. Read the problem carefully.
Starting from her house, Karen rode her bicycle 140 m north in 2 minutes. She stopped
for 1 minute at the street corner. She then rode her bicycle another 240 m north in 4
minutes to the school. She then immediately turned around and rode her bicycle south
180 meters in 4 minutes. She arrived at her destination, the park.
• Complete the table. Show all calculations by the diagram.
• Calculate the variables for the first part of her trip from house to school.
• Calculate the variables for her entire trip from house to school to park.
Distance
(d)
Displacement
(Ax)
Avg Speed
(v avg)
Total Time
Avg Velocity
(0ave)
(0)
Home to school
Home to school
to park
School
240 m
180 m
Park
STOP
140 m
House
IVEW ORKSH AA
A train moving with constant velocity travels 150 m north in 12 s and an undetermined distance to the west. The
speed of the train is 33 m/s
• Part A
Find the direction of the train's motion relative to north.
Express your answer using two significant figures.
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Part B
How far west has the train traveled in this time?
Express your answer using two significant figures.
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Chapter 2 Solutions
Tutorials in Introductory Physics
Ch. 2.1 - Draw a large dot on your large sheet of paper to...Ch. 2.1 - Describe the remaining forces you have indicated...Ch. 2.1 - All forces arise from interactions between...Ch. 2.1 - There are many different types of forces,...Ch. 2.1 - Consider the following discussion between two...Ch. 2.1 - Label each of the forces on your free-body diagram...Ch. 2.1 - Sketch a free-body diagram for a book at rest on a...Ch. 2.1 - A second book of greater mass is placed on top of...Ch. 2.1 - Compare the free-body diagram for the lower book...Ch. 2.1 - Which, if any, Newton’s third law force pairs are...
Ch. 2.1 - A magnet is supported by another magnet as shown...Ch. 2.1 - An iron rod is held up by a magnet as shown. The...Ch. 2.2 - Compare the net force (magnitude and direction) on...Ch. 2.2 - Draw separate free-body diagrams for system A and...Ch. 2.2 - Is the magnitude of the force exerted on system A...Ch. 2.2 - D. Identify all the Newton's third law...Ch. 2.2 - Rank the magnitudes of the horizontal forces that...Ch. 2.2 - Suppose the mass of each brick is 2.5 kg, the...Ch. 2.2 - Describe the motions of systems A and B. How does...Ch. 2.2 - Compare the net force (magnitude and direction) on...Ch. 2.2 - Draw and label separate free-body diagrams for...Ch. 2.2 - Consider the following discussion between two...Ch. 2.2 - Rank the magnitudes of all the horizontal forces...Ch. 2.2 - Compare the magnitude of the netforce on system C...Ch. 2.2 - Draw and label a free-body diagram for system C....Ch. 2.2 - At right is a free-body diagram for a cart. All...Ch. 2.3 - Describe the motions of block A, block B, and the...Ch. 2.3 - On a large sheet of paper, draw a separate...Ch. 2.3 - Identify all the Newton's third law...Ch. 2.3 - Rank, from largest to smallest, the magnitudes of...Ch. 2.3 - Consider the horizontal components of the forces...Ch. 2.3 - If the motion of the blocks is the same as in...Ch. 2.3 - Suppose the mass of the string that connects...Ch. 2.3 - A string exerts a force on each of the two objects...Ch. 2.3 - If you know that the net force on a massless...Ch. 2.3 - Predict the subsequent motions of objects A and B...Ch. 2.3 - Draw separate free-body diagrams for objects A and...Ch. 2.3 - Predict: • what will happen to object C when it is...Ch. 2.3 - Draw and label separate free-body diagrams for...Ch. 2.3 - The weight of a 200 g mass has magnitude...Ch. 2.3 - Consider the following statement about the...
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