Horizons: Exploring the Universe - With MindTap
14th Edition
ISBN: 9781337578080
Author: Seeds
Publisher: Cengage
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Chapter 17, Problem 1RQ
To determine
The reason why Venus has fewer craters as compared to Earth’sMoon
Expert Solution & Answer
Answer to Problem 1RQ
The indication of the small number of craters on Venus is because the entire crust that has been replaced with a new crust in the last half billion years.
Explanation of Solution
Introduction:
In the last half billion of year, the entire crust of the crater has been replaced and the old crust has got covered by the lava that has flowed over it.
It is believed by scientists that the old craters of Venus were covered and filled by massive volcanic events that happened on Venus and erased all the existing craters by filling them with lava. As a result, Venus has a smaller number of the craters than the Earth’s Moon.
Conclusion:
The cratersthat existed on Venus got filled by massive volcanic activities. Hence, Venus has a smaller number of craters as compared to Earth’s Moon.
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Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.250 mW.
(a) If such a laser beam is projected onto a circular spot 3.40 mm in diameter, what is its intensity (in watts per meter squared)?
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A proton moves at 5.20 × 105 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.40 × 103 N/C. Ignore any gravitational effects.
(a) Find the time interval required for the proton to travel 6.00 cm horizontally.
83.33
☑
Your response differs from the correct answer by more than 10%. Double check your calculations. ns
(b) Find its vertical displacement during the time interval in which it travels 6.00 cm horizontally. (Indicate direction with the sign of your answer.)
2.77
Your response differs from the correct answer by more than 10%. Double check your calculations. mm
(c) Find the horizontal and vertical components of its velocity after it has traveled 6.00 cm horizontally.
5.4e5
V
×
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. I + [6.68e4
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each…
Chapter 17 Solutions
Horizons: Exploring the Universe - With MindTap
Ch. 17 - Prob. 1RQCh. 17 - Why does Mercury have lobate scarps but Earth,...Ch. 17 - What evidence indicates that plate tectonics does...Ch. 17 - Prob. 4RQCh. 17 - Why are the atmospheres of Venus and Mars mostly...Ch. 17 - Prob. 6RQCh. 17 - Prob. 7RQCh. 17 - Why do astronomers conclude that the crust on Mars...Ch. 17 - Prob. 9RQCh. 17 - Prob. 10RQ
Ch. 17 - Prob. 11RQCh. 17 - Prob. 1DQCh. 17 - Imagine that you visit a planet orbiting another...Ch. 17 - Imagine that a spacecraft has landed on Mercury...Ch. 17 - Prob. 2PCh. 17 - The smallest detail visible through Earth-based...Ch. 17 - What is the maximum angular diameter of Phobos as...Ch. 17 - Phobos obits Mars at a distance of 9376 km from...Ch. 17 - Volcano Sif Mons on Venus is shown in the radar...Ch. 17 - Prob. 2LTL
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