Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 1.2, Problem 1hT
Description of Motion:
Move toward the detector with decreasing speed, then just as you have come to rest, move away, from the detector with increasing speed.
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An object moves along the positive x-axis with a speed of V = 10 m/s for 2 seconds, then maves along the
negative x-axis with a speed of V, =7 m/s for 2 seconds and then moves along the positive x-axis with a speed
of V3 =15 m/s for 2 seconds What is the average speed of the object (m/s)?
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You are a lifeguard and spot a drowning child 30 meters along the shore and 50 meters from the shore
to the child. You run along the shore for a while and then jump into the water and swim from there
directly to child. You can run at a rate of 3 meters per second and swim at a rate of 1.2 meters per
second. How far along the shore should you run before jumping into the water in order to save the
child? Round your answer to the hundredths decimal places.
Which of the following are TRUE? Choose only two (2).
Select one or more:
a. The range is inversely proportional to the sine of twice the launch angle.
b. At constant initial velocity, as the launch angle increases, range also increases.
c. The range is directly proportional to the sine of twice the launch angle.
d. At constant initial velocity, for launch angles less than 45°, range increases as launch angles increases. For angles greater than 45°, range decreases as launch angles increases.
e. At constant initial velocity, as the launch angle increases, range decreases.
Chapter 1 Solutions
Tutorials in Introductory Physics
Ch. 1.1 - Each person in your group should obtain a ruler...Ch. 1.1 - Each person in your group should obtain a ruler...Ch. 1.1 - Each person in your group should obtain a ruler...Ch. 1.1 - Each person in your group should obtain a ruler...Ch. 1.1 - Each person in your group should obtain a ruler...Ch. 1.1 - Each person in your group should obtain a ruler...Ch. 1.1 - Each person in your group should obtain a ruler...Ch. 1.1 - A. In the space below, sketch a possible ticker...Ch. 1.1 - B. Together with your classmates, take your ticker...Ch. 1.1 - C. Based on your observations of your tape segment...
Ch. 1.1 - D. Review your earlier interpretation of the speed...Ch. 1.1 - E. Suppose you selected two widely separated dots...Ch. 1.2 - The computer program assumes a particular...Ch. 1.2 - Description of Motion:Ch. 1.2 - Description of Motion:Ch. 1.2 - Description of Motion:Ch. 1.2 - How are the motions in parts C and D similar? How...Ch. 1.2 - Description of Motion:Ch. 1.2 - Description of Motion:Ch. 1.2 - Description of Motion: Move toward the detector...Ch. 1.2 - How do the acceleration graphs for F, G, and H...Ch. 1.2 - Description of Motion: Initially move away from...Ch. 1.2 - Description of Motion:Ch. 1.2 - Description of Motion:Ch. 1.2 - The term decelerate is often used to indicate that...Ch. 1.3 - Draw vectors on your diagram that represent the...Ch. 1.3 - B. In the space at right, compare the velocities...Ch. 1.3 - Consider the change in velocity vector between two...Ch. 1.3 - Use the definition of acceleration to draw a...Ch. 1.3 - Does the acceleration change as the ball rolls up...Ch. 1.3 - Generalize your results thus far to answer the...Ch. 1.3 - Choose two successive points. In the space at...Ch. 1.3 - In the space at right, draw a vector to represent...Ch. 1.3 - Choose a point before the turnaround and another...Ch. 1.3 - Suppose that you had chosen the turnaround as one...Ch. 1.3 - In the space at right, draw a vector that...Ch. 1.4 - Prob. 1aTCh. 1.4 - If you were to choose a different origin for the...Ch. 1.4 - On a separate part of your paper, copy the...Ch. 1.4 - Suppose you were to choose a new point on the...Ch. 1.4 - On a separate part of your paper, copy the...Ch. 1.4 - Suppose the object started from rest at point E...Ch. 1.4 - At several points on each of the diagrams below,...Ch. 1.5 - The second diagram at right shows the positions of...Ch. 1.5 - The picture of the spaceships and shuttle from the...Ch. 1.5 - Prob. 1cTCh. 1.5 - Spaceship C moves so as to remain a fixed distance...Ch. 1.5 - Consider the following statement: "The...Ch. 1.5 - Prob. 1fTCh. 1.5 - Describe the motion of the car and the truck...Ch. 1.5 - Complete the diagram at right by drawing the car...Ch. 1.5 - Use your completed diagram to sketch average...Ch. 1.5 - During a small time interval t from just before to...
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