PHYSICAL UNIVERSE-CONNECTPLUS
15th Edition
ISBN: 9780077510503
Author: KRAUSKOPF
Publisher: MCG
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Textbook Question
Chapter 1, Problem 23E
The earth takes almost exactly 24 h to make a complete turn on its axis, so we might expect each high tide to occur 12 h after the one before. However, the actual time between high tides is 12 h 25 min. Can you account for the difference?
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Chapter 1 Solutions
PHYSICAL UNIVERSE-CONNECTPLUS
Ch. 1 - The scientific method is a. continuing process b....Ch. 1 - A scientific law or theory is valid a. forever b....Ch. 1 - A hypothesis is a. a new scientific idea b. a...Ch. 1 - The ongoing evolution of living things a. is one...Ch. 1 - The object in the sky that apparently moves least...Ch. 1 - A constellation is a. an especially bright star b....Ch. 1 - Which of the following is no longer considered...Ch. 1 - A planet not visible to the naked eye is a. Mars...Ch. 1 - The planet closest to the sun is a. earth b. Venus...Ch. 1 - Prob. 10MC
Ch. 1 - Kepler modified the copernican system by showing...Ch. 1 - The speed of a planet in its orbit around the sun...Ch. 1 - According to Keplers third law, the time needed...Ch. 1 - The law of gravity a. applies only to large bodies...Ch. 1 - The earth bulges slightly at the equator and is...Ch. 1 - The usual tidal pattern in most parts of the world...Ch. 1 - Tides are caused a. only by the sun b. only by the...Ch. 1 - High tide occurs at a given place a. only when the...Ch. 1 - The prefix micro stands for a. 1/10 b. 1/100 c....Ch. 1 - A centimeter is a. 0.001 m b. 0.01 m c. 0.1 m d....Ch. 1 - Of the following, the shortest is a. 1 mm b. 0.01...Ch. 1 - Of the following, the longest is a. 1000 ft b. 500...Ch. 1 - A person is 180 cm tall. This is equivalent to a....Ch. 1 - The measurements of a room are given as length =...Ch. 1 - Prob. 1ECh. 1 - Prob. 2ECh. 1 - What is the difference between a hypothesis and a...Ch. 1 - Prob. 4ECh. 1 - According to the physicist Richard Feynman,...Ch. 1 - What does a year correspond to in terms of...Ch. 1 - You are lost in the northern hemisphere in the...Ch. 1 - In terms of what you would actually observe, what...Ch. 1 - What must be your location if the stars move...Ch. 1 - How do leap years fit into the ptolemaic system?...Ch. 1 - From observations of the moon, why would you...Ch. 1 - The sun, moon, and planets all follow...Ch. 1 - What is the basic difference between the ptolemaic...Ch. 1 - Ancient astronomers were troubled by variations in...Ch. 1 - Compare the ptolemaic and copernican explanations...Ch. 1 - What do you think is the reason scientists use an...Ch. 1 - The average distance from the earth to the sun is...Ch. 1 - As the earth revolves around the sun, some stars...Ch. 1 - Why is gravity considered a fundamental force...Ch. 1 - What, if anything, would happen to the shape of...Ch. 1 - What is the difference between spring and neap...Ch. 1 - The length of the day has varied. When did the...Ch. 1 - The earth takes almost exactly 24 h to make a...Ch. 1 - Does the sun or the moon have the greater...Ch. 1 - In the following pairs of length units, which is...Ch. 1 - A European driving from Paris to Brussels finds...Ch. 1 - The worlds tallest tree is a sequoia in California...Ch. 1 - The diameter of an atom is roughly 104 times the...Ch. 1 - How many square feet are there in an area of 1.00...Ch. 1 - A swimming pool is 20.00 m long, 7.00 m wide, and...Ch. 1 - The speedometer of a European car gives its speed...Ch. 1 - A horse galloped a mile in 2 min 35 s. What was...Ch. 1 - How many microphones are there in a megaphone?Ch. 1 - Use the proper number of significant figures to...Ch. 1 - Prob. 35E
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- Why do the heights of the tides change over the course of a month?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_forwardMust 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_forward
- In 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_forwardCalculate the values of g at Earth’s surface for the following changes in Earth’s properties: (a) its mass is doubled and its radius is halved; (b) its mass density is doubled and its radius is unchanged; (c) its mass density is halved and its mass is unchanged.arrow_forwardThe two daily high tides occur approximately ___ hours apart. (17.2)arrow_forward
- In a part of Earth’s orbit where Earth is moving faster than usual around the Sun, would the length of the sidereal day change? If so, how? Explain.arrow_forwardToday 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_forwardthe weight, w, of an object varies inversely as the square of the distance, d, between the object and the center of Earth. If a man weighs 75kg on the surface of Earth, how much would he weigh 300km above the Earth's surface? (given the radius of the earth is approximately 6400km)arrow_forward
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