Essential Cosmic Perspective
9th Edition
ISBN: 9780135795033
Author: Bennett
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 34EAP
If the Moon were closer to Earth, high tides would (a) be higher than they are now, (b) be lower than they are now. (C) occur three or more times a day rather than twice a day.
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What would be the effect on Earth’s tides if the diameter of Earth were very much larger than it is? If Earth were as it presently is, but the Moon were very much larger and had the same mass?
Discuss why tides occur in Earth’s crust and in Earth’s atmosphere.
Choose the BEST answer to the following:
The highest ocean tides occur when the Earth and Moon are
(a) lined up with the Sun.
(b) at right angles to the Sun.
(c) at any angle to the Sun.
(d) lined up during spring.
Chapter 4 Solutions
Essential Cosmic Perspective
Ch. 4 - Prob. 1VSCCh. 4 - Check your understanding of some of the many types...Ch. 4 - Check your understanding of some of the many types...Ch. 4 - Check your understanding of some of the many types...Ch. 4 - Check your understanding of some of the many types...Ch. 4 - Define speed, velocity, and acceleration. What are...Ch. 4 - Define momentum and force. What do we mean when we...Ch. 4 - What is free-fall, and why does it make you...Ch. 4 - Prob. 4EAPCh. 4 - Prob. 5EAP
Ch. 4 - Define kinetic energy, radiative energy, and...Ch. 4 - Define and distinguish temperature and thermal...Ch. 4 - Prob. 8EAPCh. 4 - Summarize the universal law of gravitation both in...Ch. 4 - What is the difference between a bound and an...Ch. 4 - Under what conditions can we use Newton’s version...Ch. 4 - Explain why orbits cannot change spontaneously,...Ch. 4 - Explain how the Moon creates tides on Earth. Why...Ch. 4 - How do the tides vary with the phase of the Moon?...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - A car is accelerating when it is (a) traveling on...Ch. 4 - Compared to their values on Earth, on another...Ch. 4 - Which person is weightless? (a) a child in the air...Ch. 4 - Consider the statement “There’s no gravity in...Ch. 4 - To make a rocket turn left, you need to (a) fire...Ch. 4 - Compared to its angular momentum when it is...Ch. 4 - Prob. 31EAPCh. 4 - If Earth were twice as far from the Sun, the force...Ch. 4 - According to the law of universal gravitation,...Ch. 4 - If the Moon were closer to Earth, high tides would...Ch. 4 - Prob. 35EAPCh. 4 - Testing Gravity. Scientists are constantly trying...Ch. 4 - How Does the Table Know? Thinking deeply about...Ch. 4 - Perpetual Motion Machines. Every so often, someone...Ch. 4 - Group Activity: Your Ultimate Energy Source. Work...Ch. 4 - Weightlessness. Astronauts are weightless when in...Ch. 4 - Einstein’s Famous Formula. a. What is the meaning...Ch. 4 - The Gravitational Law. a. How does quadrupling the...Ch. 4 - Prob. 44EAPCh. 4 - Head to Foot Tides. You and Earth attract each...Ch. 4 - Space Elevator. Some people have proposed using a...Ch. 4 - Prob. 47EAPCh. 4 - Prob. 48EAPCh. 4 - Prob. 49EAPCh. 4 - Prob. 50EAP
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- Must engineers take Earth’s rotation into account when constructing very tall buildings at any location other than the equator or very near the poles?arrow_forwardWhy do the heights of the tides change over the course of a month?arrow_forwardIn a part of Earth’s orbit where Earth is moving faster than usual around the Sun, would the length of the solar day change? If so, how? Explain.arrow_forward
- Explain why there are two high tides and two low tides each day. Strictly speaking, should the period during which there are two high tides be 24 hours? If not, what should the interval be?arrow_forwardThe two daily high tides are due mainly to which of the following? (17.2) (a) the Earths rotational force lifting the ocean water away from the solid Earth (b) the differential gravitational attraction by the Moon because of the inverse-square relationship (c) gravitational forces between the Sun and the Earth (d) none of the precedingarrow_forwardThe two daily high tides occur approximately ___ hours apart. (17.2)arrow_forward
- Do tides occur in the molten interior of Earth for the same reason the tides occur in the oceans?arrow_forwardThe Sun is much more massive than the Moon, but the Moon has a bigger influence on Earth's tides than the Sun. Why is this?arrow_forwardDo tides depend more on the strength of gravitational pull or on the difference in strengths?Explain.arrow_forward
- If earth starts revolving with more speed then normal , what happens??arrow_forwardDetermine what the period of revolution of the Earth would be if its distance from the Sun were 3.5 AU rather than 1 AU. Assume that the mass of the Sun remains the same. The final unit should be y in the answer.arrow_forwardOcean tides are the result of the combined gravitational effects of the Sun and Moon upon Earth. If the distance between the Moon and Earth were to increase, how would the gravitational attraction of ocean tides be affected? decrease resulting in higher tides increase resulting in higher tides decrease resulting in lower tides increase resulting in lower tidesarrow_forward
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