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How long does it take light to travel in:(a) 1.0 ft

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 29P Chapter 9

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 29P

PROBLEM 29P

How long does it take light to travel in:

(a) 1.0 ft (report answer in nanoseconds)

(b) 2462 mi, the distance between Los Angeles and New York (report answer in milliseconds)

(c) 4.5 billion km, the average separation between the sun and Neptune (report answer in hours and minutes)

Step-by-Step Solution:
Step 1 of 3

Solution 29P

(a) I assume 1.0ft means 1 foot. Light travels 3 x 10^8 meters / second, or 186 000 miles per second (information from a chemistry textbook). 1 meter = 3.2808 feet, hence 9.8424 x 10^8 feet in 1 second 1 foot in x seconds hence it takes 1 / (9.8424 x 10^8) = 0.10168 x 10^(-8) seconds To transfer to nanoseconds, I need to divide by 10^(-9), and I get 0.10168 x 10^(-8) / 10^(-9), hence I get 1 nanosecond as the answer.

b)the distance is 2462 miles Light travels at 670,616,629 mph.2,462 /670,616,629 mph equals 0.000003671248063 hours.Multiply by 60 for minutes equals 0.000220274883759...

Step 2 of 3

Chapter 9, Problem 29P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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How long does it take light to travel in:(a) 1.0 ft

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