21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Question
Chapter 4, Problem 8QP
To determine
The change in the strength of lunar tides if the Moon were twice as massive.
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Students have asked these similar questions
Why does the Moon have a greater influence on Earth's tides than the Sun does?
A.
because the Moon is closer to Earth than the Sun is
B.
because the Moon is more massive than the Sun
C.
because the Moon is less massive than the Sun
D.
because the Moon is farther away from Earth than the Sun is
1. The tides are present on earth because...
A) the sun causes the earth to orbit
B) the moon has a negligible gravitational effect on the earth except for in the oceans
C) there is a different force of gravity acting on either side of the earth resulting from the moon
D) tectonic plates shift as the earth rotates causing the water levels to vary.
4. A) What is the cause of high tides on Earth?
B) Why are there two high tides at a location on Earth?
Chapter 4 Solutions
21st Century Astronomy
Ch. 4.1 - Prob. 4.1ACYUCh. 4.1 - Prob. 4.1BCYUCh. 4.2 - Prob. 4.2CYUCh. 4.3 - Prob. 4.3CYUCh. 4.4 - Prob. 4.4CYUCh. 4 - Prob. 1QPCh. 4 - Prob. 2QPCh. 4 - Prob. 3QPCh. 4 - Prob. 4QPCh. 4 - Prob. 5QP
Ch. 4 - Prob. 6QPCh. 4 - Prob. 7QPCh. 4 - Prob. 8QPCh. 4 - Prob. 9QPCh. 4 - Prob. 10QPCh. 4 - Prob. 11QPCh. 4 - Prob. 12QPCh. 4 - Prob. 13QPCh. 4 - Prob. 14QPCh. 4 - Prob. 15QPCh. 4 - Prob. 16QPCh. 4 - Prob. 17QPCh. 4 - Prob. 18QPCh. 4 - Prob. 19QPCh. 4 - Prob. 20QPCh. 4 - Prob. 21QPCh. 4 - Prob. 22QPCh. 4 - Prob. 23QPCh. 4 - Prob. 24QPCh. 4 - Prob. 25QPCh. 4 - Prob. 26QPCh. 4 - Prob. 27QPCh. 4 - Prob. 28QPCh. 4 - Prob. 29QPCh. 4 - Prob. 30QPCh. 4 - Prob. 31QPCh. 4 - Prob. 32QPCh. 4 - Prob. 33QPCh. 4 - Prob. 34QPCh. 4 - Prob. 35QPCh. 4 - Prob. 36QPCh. 4 - Prob. 37QPCh. 4 - Prob. 38QPCh. 4 - Prob. 39QPCh. 4 - Prob. 40QPCh. 4 - Prob. 41QPCh. 4 - Prob. 42QPCh. 4 - Prob. 43QPCh. 4 - Prob. 44QPCh. 4 - Prob. 45QP
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- Today at the beach you see the highest of all high tides during the last month. You see the Moon in the daytime sky. What is the most likely Moon phase? Why?arrow_forwardExplain why you might describe the orbital motion of the Moon with the statement, “The Moon is falling.”arrow_forwardIf you lived on Mars, which planets would describe retrograde loops? Which would never be visible as crescent phases?arrow_forward
- What evidence can you cite that planets orbit other stars?arrow_forwardA synchronous satellite, which always remains above the same point on a planets equator, is put in orbit around Jupiter to study that planets famous red spot. Jupiter rotates once every 9.84 h. Use the data of Table 13.2 to find the altitude of the satellite above the surface of the planet.arrow_forwardAs seen from above the Earths North Pole, the Moons orbit is counterclockwise. Use a coordinate system with the positivez axis pointing north. Find the magnitude and direction of the Moons angular velocity. Hint: Draw a sketch of the Moons orbit from this perspective above the North Pole, including thecoordinate system.arrow_forward
- 13. The diagrams represent Saturn and one of its moons, Titan. Which diagram shows the distance between the two points that should be used to calculate the gravitational attraction between Saturn and Titan?arrow_forward1) The average distance from the moon to the earth is 385,200 km. Convert this distance to miles by multiplying by 0.6 miles/km. This is the radius of the moon’s orbit.arrow_forwardThe Earth moves faster in its orbit around the Sun in January than in July. Is the Earth closer to the Sun in January, or in July? Explain. [Note: This is not much of a factor in producing the seasons—the main factor is the tilt of theEarth’s axis relative to the plane of its orbit.]arrow_forward
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