21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 1, Problem 36QP
To determine
The speed, the astronauts travelled to reach Moon in
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A man traveled a distance of 61 km in 9 hours. He traveled partly on bicycle at 9 km/hr and on foot at 4 km/hr. The distance traveled on bicycle is
(a) 16 km (b) 25 km
(c) 45 km
(d) 50 km
fast
A plane flies the distance between two cities in 2 hour and 45 minutes with a velocity of 800km/h. Another plane covers that distance with 950 km/h. What is the flight time of the second plane? ( in minutes)
The speed of light is about 3 x 108 meters per second. The Millennium Falcon is traveling from Earth to Mars
at the speed of light. The distance between the Earth and Mars fluctuates between 5.46 x 10¹0 meters and
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If the day the Millennium Falcon makes the "Mars Run," the distance is 2.25 x 10¹¹ meters, how long will it
take them?
Note: distance = rate time, and time = distance/rate
Express your answer in scientific notation. Use for the multiplication.
seconds
Convert your answer to minutes. Include at least 3 decimal places in your answer, which can be expressed in
standard notation.
minutes
Suppose the Millennium Falcon flies for 5 hours at the speed of light. How far will they travel? Express your
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Chapter 1 Solutions
21st Century Astronomy
Ch. 1.1 - Prob. 1.1CYUCh. 1.2 - Prob. 1.2CYUCh. 1.3 - Prob. 1.3CYUCh. 1 - Prob. 1QPCh. 1 - Prob. 2QPCh. 1 - Prob. 3QPCh. 1 - Prob. 4QPCh. 1 - Prob. 5QPCh. 1 - Prob. 6QPCh. 1 - Prob. 7QP
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