Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Question
Chapter 15, Problem 25A
To determine
To Explain: Whether an astronaut can travel more slowly than the
Expert Solution & Answer
Explanation of Solution
Introduction:
The relation between space and time was first understood by the Albert Einstein. In
It is known that the speed of light is the limit for the moving matter. Light travel through space with 300000 km/s which is independent on the speed of observer and speed of the source.It is given that light travels some distance in 10000 years as seen by the stationary observer on the earth. According the postulate of special theory of relativity, when person starts his journey with speed less than the speed of light and travel a distance for10000 years, the time measured by the person in the space shift is very less as compared to the time measured by the person on the earth. The difference in the time measured by the astronaut and the person on the earth is because of concept of time dilation. According to concept of time dilation, time observed by the moving object passes slowly as compared to the stationary observer.
Conclusion:
Therefore, astronaut can travel more slowly than the speed of light and can travel more than 10000 years distancein 10-year trip.
Chapter 15 Solutions
Conceptual Physics: The High School Physics Program
Ch. 15 - What is space-time?Ch. 15 - Can you travel while remaining in one place in...Ch. 15 - Does light travel through space? Through time?...Ch. 15 - What is time dilation?Ch. 15 - Prob. 5ACh. 15 - Prob. 6ACh. 15 - Prob. 7ACh. 15 - The path of light in a vertical 'light clock' in a...Ch. 15 - If we view a passing spaceship and see that the...Ch. 15 - If you were traveling in a high-speed rocket ship,...
Ch. 15 - Prob. 11ACh. 15 - What are the present-day obstacles to interstellar...Ch. 15 - Prob. 13ACh. 15 - Prob. 14ACh. 15 - If you were traveling in a high-speed spaceship,...Ch. 15 - Prob. 16ACh. 15 - Prob. 17ACh. 15 - If a spaceship moves away from you at half the...Ch. 15 - If the spaceship in question 18 somehow travels at...Ch. 15 - Substitute small values of v1 and v2 in the...Ch. 15 - If you were in a smooth-riding train with no...Ch. 15 - Suppose you're playing catch with a friend in a...Ch. 15 - Prob. 23ACh. 15 - People who ride in a bus all know they're moving...Ch. 15 - Prob. 25ACh. 15 - Prob. 26ACh. 15 - Prob. 27ACh. 15 - Prob. 28ACh. 15 - If you were in a high-speed spaceship traveling...Ch. 15 - Prob. 30ACh. 15 - Prob. 31ACh. 15 - Prob. 32ACh. 15 - Joe Burpy is 30 years old and has a daughter who...Ch. 15 - Assume that your heart normally beats once every...Ch. 15 - Thomas, a rhino, is 2.5 meters long when at rest....Ch. 15 - A ship whizzes by you at 0.60c. Someone aboard is...Ch. 15 - Before leaving the planet Hislaurels for a...Ch. 15 - You are standing facing forward on the floor of...Ch. 15 - Pinocchio is concerned that Gepetto will see his...Ch. 15 - Lizzie is scooting down the Interstate at 17...
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