Conceptual Physics: The High School Physics Program
Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Special Relativity
The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster th…
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Textbook Question
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Chapter 15, Problem 12A

What are the present-day obstacles to interstellar space travel?

Expert Solution & Answer
Check Mark
To determine

The present-day obstacles to interstellar space travel.

Answer to Problem 12A

Fuel energy and radiation.

Explanation of Solution

Introduction: Interstellar travels means traveling beyond stars, galaxies.

To travel such a large distance beyond galaxies, ultimate speed is required. Such that, the gravity of star clusters, black hole, etc, do not pull the spaceship and get destroyed. For safe travels, spaceship must travel with light speed which requires a huge amount of fuel energy. Also, the spaceship must be protected from radiation inside and on the boundary. Otherwise, the crew will turn into a meat-bag of cancer.

Conclusion: Thus, for interstellar travels huge fuel energy and protection from radiation is a must.

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Chapter 15, Problem 11A
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Chapter 15, Problem 13A

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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