| 10. Which one of the following systems is an inertial frame of reference? a) A space station orbits the Earth at an altitude of 350 km. b) A train is traveling around an unbanked curve at 12 m/s. c) A space shuttle is accelerating upward at 28 m/s². d) e) A man suspended from a rectangular parachute descends at a constant speed of 8 m/s. None of these is an inertial frame of reference. 11. Two alien spaceships are traveling at 0.95c, one directly toward the Earth and one directly away from the Earth. At one instant, both spaceships happen to be the same distance from the Earth and they fire a laser at the Earth. The light from which spaceship reaches the Earth first according to an observer on Earth? a) b) c) The light from the spaceship moving toward the Earth arrives first. The light from the spaceship moving away from the Earth arrives first. The light from the two ships arrives at the same time. d) The observer has no way to determine which light reaches the Earth first. | 8. a) Which of the following statements concerning the proper time interval between two events is true? The proper time interval is the shortest time interval that any inertial observer can measure. b) The proper time interval is the longest time interval that any inertial observer can measure. c) The proper time interval depends upon the speed of the observer. d) e) The proper time interval is the time measured by an observer who is in motion with respect to the event. None of the above statements is true. 9. Which of the following statements concerning the proper length of a meter stick is true? a) The proper length is always one meter. b) The proper length depends upon the speed of the observer. c) The proper length depends upon the acceleration of the observer. d) The proper length depends upon the reference frame in which it is measured. e) The proper length is the length measured by an observer who is moving with respect to the meter stick.
| 10. Which one of the following systems is an inertial frame of reference? a) A space station orbits the Earth at an altitude of 350 km. b) A train is traveling around an unbanked curve at 12 m/s. c) A space shuttle is accelerating upward at 28 m/s². d) e) A man suspended from a rectangular parachute descends at a constant speed of 8 m/s. None of these is an inertial frame of reference. 11. Two alien spaceships are traveling at 0.95c, one directly toward the Earth and one directly away from the Earth. At one instant, both spaceships happen to be the same distance from the Earth and they fire a laser at the Earth. The light from which spaceship reaches the Earth first according to an observer on Earth? a) b) c) The light from the spaceship moving toward the Earth arrives first. The light from the spaceship moving away from the Earth arrives first. The light from the two ships arrives at the same time. d) The observer has no way to determine which light reaches the Earth first. | 8. a) Which of the following statements concerning the proper time interval between two events is true? The proper time interval is the shortest time interval that any inertial observer can measure. b) The proper time interval is the longest time interval that any inertial observer can measure. c) The proper time interval depends upon the speed of the observer. d) e) The proper time interval is the time measured by an observer who is in motion with respect to the event. None of the above statements is true. 9. Which of the following statements concerning the proper length of a meter stick is true? a) The proper length is always one meter. b) The proper length depends upon the speed of the observer. c) The proper length depends upon the acceleration of the observer. d) The proper length depends upon the reference frame in which it is measured. e) The proper length is the length measured by an observer who is moving with respect to the meter stick.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:|
10. Which one of the following systems is an inertial frame of reference?
a)
A space station orbits the Earth at an altitude of 350 km.
b)
A train is traveling around an unbanked curve at 12 m/s.
c)
A space shuttle is accelerating upward at 28 m/s².
d)
e)
A man suspended from a rectangular parachute descends at a constant speed of 8 m/s.
None of these is an inertial frame of reference.
11. Two alien spaceships are traveling at 0.95c, one directly toward the Earth and one directly away from
the Earth. At one instant, both spaceships happen to be the same distance from the Earth and they fire a
laser at the Earth. The light from which spaceship reaches the Earth first according to an observer on
Earth?
a)
b)
c)
The light from the spaceship moving toward the Earth arrives first.
The light from the spaceship moving away from the Earth arrives first.
The light from the two ships arrives at the same time.
d) The observer has no way to determine which light reaches the Earth first.
Transcribed Image Text:|
8.
a)
Which of the following statements concerning the proper time interval between two events is true?
The proper time interval is the shortest time interval that any inertial observer can measure.
b) The proper time interval is the longest time interval that any inertial observer can measure.
c)
The proper time interval depends upon the speed of the observer.
d)
e)
The proper time interval is the time measured by an observer who is in motion with respect to the event.
None of the above statements is true.
9.
Which of the following statements concerning the proper length of a meter stick is true?
a)
The proper length is always one meter.
b)
The proper length depends upon the speed of the observer.
c)
The proper length depends upon the acceleration of the observer.
d)
The proper length depends upon the reference frame in which it is measured.
e)
The proper length is the length measured by an observer who is moving with respect to the meter stick.
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