21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 4, Problem 13QP
To determine
When the spring tides occur.
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The friction created when tidal forces move ocean waters over the seabeds
a.
causes the lunar phases.
b.
slows the rotation of Earth, gradually making the days longer
c.
forces the moon to approach Earth.
d.
has no effect on Earth.
e.
has no effect on the moon.
Each year, the radius of the moon’s orbit increases by about 3.8 cm. How does this change affect the length of a month?A. A month gets longer.B. A month gets shorter.C. The length of a month stays the same.
1. The reason that there are two daily tides on Earth is that one occurs when the sun is overhead and the other when the Moon is overhead.
True or False
2. Tides are approximately 24 hours apart.
True or False
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Choose all that apply to spring tide A. when the Sun,Earth and Moon are aligned,the tides due to the Sun and the Moon coincide. B. spring tides happen in Spring season. C. Higher than average high tides and lower than average low tides. D. when the Sun,Earth and Moon are aligned,the tides due to the Sun and the Moon partly cancel..arrow_forwardIf tonight the phase is waning gibbous when the Moon rises, what will be the phase one week from now? A. third quarter B. first quarter C. waning crescent D. new E. fullarrow_forwardE16. The time separating high tides is 12 hours and 25 minutes. If high tide occurs at 3:10 p.m. one afternoon, a. At what time will high tide occur the next afternoon? b. When would you expect low tides to occur the next dayarrow_forward
- Quèstion 19 The weight of 2 kilograms of iron on Earth's surface is OA. the same on the moon. B. greater on the moon. C. less on the moon. D. zero. E. None of themarrow_forwardWhy is a sidereal day shorter than a solar day? O A. precession of Earth's axis B. the non-circular orbit of Earth around the Sun C. the tilt of Earth's axis D. the combined effect of the rotation of Earth and its orbit about the Sun E. Earth year being a non-integer number of Earth daysarrow_forwardOn a given day,tides rise and fall at A. the same time everywhere B. the same distance everywhere C. different times and different distances almost everywhere D. the same time and same distance everywherearrow_forward
- If the Moon is in the waning gibbous phase tonight, approximately how long will it be until the Moon is in the waning crescent phase? A. a month B. one week C. one day O D. three weeks E. two weeksarrow_forward8. The mean distance of Earth from the Sun is 149.6 x 10° km and the mean distance of Mercury from the Sun is 57.9 x 10° km. The period of Earth's revolutions is 1 year, what is the period of Mercury's revolution? a. 0.24 year on Earth b. 0.42 year on Earth C. 1.13 year on Earth d. 1.31 year on Earth 9. The planet Delta has 2 times the gravitational field strength and 3 times the radius of Earth. How does the mass of the planet Delta compare with the mass of Earth?arrow_forwardA high tide is occurring at Charleston, South Carolina (33N, 84W). (a) What other longitude is also experiencing a high tide? (b) What two longitudes are experiencing low tides?arrow_forward
- That the moon has no magnetic field implies that a. the moon is spinning too slowly to produce a magnetic field. b. the interior of the moon is too hot to produce a magnetic field. c. the crust of the moon is so thick that the magnetic field can not get out of the interior. d. the moon’s core contains little if any molten iron. e. the moon is moving further from Earth.arrow_forward1. Simone knowsthat there are more hours of daylight during the summer season. Which of the following is a possible combination of daylight and darkness during one rotation of Earth on its axis in the summertime? A. 8 hours of daylight; 4 hours of darkness B. 275 days of daylight; 90 days of darkness C. 14 hours of daylight; 10 hours of darkness D. 90 days of daylight; 0 days of darkness Explanation:arrow_forward1. 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.arrow_forward
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