Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 5, Problem 34CQ
Since the Earth rotates on its axis once every 24 hours, why don’t high tides occur exactly twice every 24 hours? Explain.
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Do tides depend more on the strength of gravitational pull or on the difference in strengths?Explain.
The 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?
The Mediterranean Sea has very little sediment churned up and suspended in its waters, mainly because of the absence of any substantial ocean tides. Why do you suppose the Mediterranean Sea has practically no tides? Similarly, are there tides in the Black Sea? In the Great Salt Lake? Your county reservoir? A glass of water? Explain.
Chapter 5 Solutions
Physics of Everyday Phenomena
Ch. 5 - Suppose that the speed of a ball moving in a...Ch. 5 - A car travels around a curve with constant speed....Ch. 5 - Two cars travel around the same curve, one at...Ch. 5 - A car travels the same distance at constant speed...Ch. 5 - The centripetal acceleration depends upon the...Ch. 5 - A ball on the end of a string is whirled with...Ch. 5 - Before the string breaks in question 6, is there a...Ch. 5 - For a ball being twirled in a horizontal circle at...Ch. 5 - A car travels around a flat (nonbanked) curve with...Ch. 5 - Is there a maximum speed at which the car in...
Ch. 5 - If a curve is banked, is it possible for a car to...Ch. 5 - If a ball is whirled in a vertical circle with...Ch. 5 - Sketch the forces acting upon a rider on a Ferris...Ch. 5 - Which safety measure, seat belts or air bags,...Ch. 5 - In a head-on collision between two vehicles, is...Ch. 5 - If a car is equipped with air bags, should it be...Ch. 5 - In what way did the heliocentric view of the solar...Ch. 5 - Did Ptolemys view of the solar system require...Ch. 5 - Heliocentric models of the solar system...Ch. 5 - How did Keplers view of the solar system differ...Ch. 5 - Consider the method of drawing an ellipse pictured...Ch. 5 - Does a planet moving in an elliptical orbit about...Ch. 5 - Does the sun exert a larger force on the Earth...Ch. 5 - Is there a net force acting on the planet Earth?...Ch. 5 - Three equal masses are located as shown in the...Ch. 5 - Two masses are separated by a distance r. If this...Ch. 5 - A painter depicts a portion of the night sky as...Ch. 5 - At what times during the day or night would you...Ch. 5 - At what times of the day or night does the...Ch. 5 - Are we normally able to see the new moon? Explain.Ch. 5 - During what phase of the moon can a solar eclipse...Ch. 5 - A synchronous satellite is one that does not move...Ch. 5 - Is Keplers third law valid for artificial...Ch. 5 - Since the Earth rotates on its axis once every 24...Ch. 5 - Prob. 35CQCh. 5 - Prob. 36CQCh. 5 - A ball is traveling at a constant speed of 4 m/s...Ch. 5 - A car rounds a curve with a radius of 40 m at a...Ch. 5 - A ball traveling in a circle with a constant speed...Ch. 5 - How much larger is the required centripetal...Ch. 5 - A 0.35-kg ball moving in a circle at the end of a...Ch. 5 - A car with a mass of 1500 kg is moving around a...Ch. 5 - A car with a mass of 1300 kg travels around a...Ch. 5 - A Ferris wheel at a carnival has a radius of 8 m...Ch. 5 - What is the ratio of the Earths period of rotation...Ch. 5 - Dylan has a weight of 800 N (about 180 lb) when he...Ch. 5 - Two masses are attracted by a gravitational force...Ch. 5 - Two 700-kg masses (1543 lb) are separated by a...Ch. 5 - Two masses are attracted by a gravitational force...Ch. 5 - The acceleration of gravity at the surface of the...Ch. 5 - The acceleration of gravity on the surface of...Ch. 5 - The time separating high tides is 12 hours and 25...Ch. 5 - A 0.25-kg ball is twirled at the end of a string...Ch. 5 - A Ferris wheel with a radius of 15 m makes one...Ch. 5 - A car with a mass of 1100 kg is traveling around a...Ch. 5 - Assume that a passenger in a rollover accident...Ch. 5 - The suns mass is 1.99 1030 kg, the Earths mass is...Ch. 5 - The period of the moons orbit about the Earth is...
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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_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_forward
- A low tide is occurring at Galveston, Texas (29N, 95W). (a) What other longitude is also experiencing a low tide? (b) What two longitudes are experiencing high tides?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_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
- The 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 vernal equinox and the autumnal equinox are associated with two points 180 apart in the Earths orbit. That is, the Earth is on precisely opposite sides of the Sun when it passes through these two points. From the vernal equinox. 185.4 days elapse before the autumnal equinox. Only 179.8 days elapse from the autumnal equinox until the next vernal equinox. Why is the interval from the March (vernal) to the September (autumnal) equinox (which contains the summer solstice) longer than the interval from the September to the March equinox rather than being equal to that interval? Choose one of the following reasons, (a) They are really the same, but the Earth spins faster during the summer interval, so the days are shorter, (b) Over the summer interval, the Earth moves slower because it is farther from the Sun. (c) Over the March-to-September interval, the Earth moves slower because it is closer to the Sun. (d) The Earth has less kinetic energy when it is warmer, (e) The Earth has less orbital angular momentum when it is warmer.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
- A 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_forward(a) One of the moons of Jupiter, named Io, has an orbital radius of 4.22 108 m and a period of 1.77 days. Assuming the orbit is circular, calculate the mass of Jupiter, (b) The largest moon of Jupiter, named Ganymede, has an orbital radius of 1.07 109 m and a period of 7.16 days. Calculate the mass of Jupiter from this data, (c) Are your results to parts (a) and (b) consistent? Explain.arrow_forwardWhen Sedna was discovered in 2003, it was the most distant object known to orbit the Sun. Currently, it is moving toward the inner solar system. Its period is 10,500 years. Its perihelion distance is 75 AU. a. What is its semimajor axis in astronomical units? b. What is its aphelion distance?arrow_forward
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