Essential University Physics
4th Edition
ISBN: 9780134988559
Author: Wolfson, Richard
Publisher: Pearson Education,
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Textbook Question
Chapter 8, Problem 22E
An astronaut hits a golf ball horizontally from the top of a lunar mountain so fast that it goes into circular orbit. What’s its orbital period?
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Chapter 8 Solutions
Essential University Physics
Ch. 8.2 - Suppose the distance between two objects is cut in...Ch. 8.3 - Suppose the paths in Fig. 8.8 are the paths of...Ch. 8.4 - Prob. 8.3GICh. 8 - What do Newtons apple and the Moon have in common?Ch. 8 - Prob. 2FTDCh. 8 - When you stand on Earth, the distance between you...Ch. 8 - The force of gravity on an object is proportional...Ch. 8 - A friend who knows nothing about physics asks what...Ch. 8 - Could you put a satellite in an orbit that keeps...Ch. 8 - Why are satellites generally launched eastward and...
Ch. 8 - Given Earths mass, the Moons distance and orbital...Ch. 8 - How should a satellite be launched so that its...Ch. 8 - Does the gravitational force of the Sun do work on...Ch. 8 - Space explorers land on a planet with the same...Ch. 8 - Use data for the Moons orbit from Appendix E to...Ch. 8 - Prob. 13ECh. 8 - Prob. 14ECh. 8 - Two identical lead spheres with their centers 14...Ch. 8 - Whats the approximate value of the gravitational...Ch. 8 - A sensitive gravimeter is carried to the top of...Ch. 8 - Prob. 18ECh. 8 - Find the speed of a satellite in geostationary...Ch. 8 - Marss orbit has a diameter 1.52 times that of...Ch. 8 - Calculate the orbital period for Jupiters moon Io,...Ch. 8 - An astronaut hits a golf ball horizontally from...Ch. 8 - The Mars Reconnaissance Orbiter circles the red...Ch. 8 - Earths distance from the Sun varies from 147 Gm at...Ch. 8 - Prob. 25ECh. 8 - A rocket is launched vertically upward from Earths...Ch. 8 - What vertical launch speed is necessary to get a...Ch. 8 - Prob. 28ECh. 8 - Determine escape speeds from (a) Jupiters moon...Ch. 8 - Prob. 30ECh. 8 - Prob. 31ECh. 8 - Prob. 32ECh. 8 - Example 8.2: Find the altitude and speed of a...Ch. 8 - Prob. 34ECh. 8 - Prob. 35ECh. 8 - Example 8.4: A coronal mass ejection (CME) is an...Ch. 8 - Example 8.4: In September 2017, the Cassini...Ch. 8 - The gravitational acceleration at a planets...Ch. 8 - Prob. 39PCh. 8 - If youre standing on the ground 15 m directly...Ch. 8 -
On January 1, 2019, the450-kg New Horizons...Ch. 8 - Equation 7.9 relates force to the derivative of...Ch. 8 - During the Apollo Moon landings, one astronaut...Ch. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - Satellites A and B are in circular orbits, with A...Ch. 8 - The asteroid that exploded over Chelyabinsk,...Ch. 8 - Prob. 50PCh. 8 - Prob. 51PCh. 8 - Neglecting air resistance, to what height would...Ch. 8 - Show that an object released from rest very far...Ch. 8 - Prob. 54PCh. 8 -
In 2017 North Korea developed ballistic missile...Ch. 8 - Prob. 56PCh. 8 - Prob. 57PCh. 8 - Prob. 58PCh. 8 - Prob. 59PCh. 8 - Two meteoroids are 160,000 km from Earths center...Ch. 8 - Prob. 62PCh. 8 - A missiles trajectory takes it to a maximum...Ch. 8 - Prob. 64PCh. 8 - Mercurys orbital speed varies from 38.8 km/s at...Ch. 8 - Prob. 66PCh. 8 - Two satellites are in geostationary orbit but in...Ch. 8 - Prob. 68PCh. 8 - Prob. 69PCh. 8 - We derived Equation 8.4 on the assumption that the...Ch. 8 - Prob. 71PCh. 8 - As a member of the 2040 Olympic committee, youre...Ch. 8 - The Olympic Committee is keeping you busy! Youre...Ch. 8 - Tidal forces are proportional to the variation in...Ch. 8 - Spacecraft that study the Sun are often placed at...Ch. 8 - Prob. 76PPCh. 8 - Prob. 77PPCh. 8 - Prob. 78PPCh. 8 - The Global Positioning System (GPS) uses a...
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- What is the orbital period of a satellite orbiting just above the surface of the asteroid in Problem 11?arrow_forwardModel the Moons orbit around the Earth as an ellipse with the Earth at one focus. The Moons farthest distance (apogee) from the center of the Earth is rA = 4.05 108 m, and its closest distance (perigee) is rP = 3.63 108 m. a. Calculate the semimajor axis of the Moons orbit. b. How far is the Earth from the center of the Moons elliptical orbit? c. Use a scale such as 1 cm 108 m to sketch the EarthMoon system at apogee and at perigee and the Moons orbit. (The semiminor axis of the Moons orbit is roughly b = 3.84 108 m.)arrow_forwardIf a spacecraft is headed for the outer solar system, it may require several gravitational slingshots with planets in the inner solar system. If a spacecraft undergoes a head-on slingshot with Venus as in Example 11.6, find the spacecrafts change in speed vS. Hint: Venuss orbital period is 1.94 107 s, and its average distance from the Sun is 1.08 1011 m.arrow_forward
- Io, a satellite of Jupiter, has an orbital period of 1.77 days and an orbital radius of 4.22 105 km. From these data, determine the mass of Jupiter.arrow_forwardSuppose we launch a satellite in a circular orbit, and want it to revolve once around every 2 hours? How far above the surface of the Earth should this satellite be placed? Report your answer in Earth radii. (Neglect the presence of the moon).arrow_forwardA fairground ride spins its occupants inside a flying-saucer-shaped vehicle. If the horizontal circular path the riders follow has a radius of 7.5 m, at how many revolutions per minute will the riders be subjected to a centripetal acceleration 1.6 times that due to gravity?arrow_forward
- Suppose an artificial satellite has been put into circular orbit about the Earth, at a distance from the center of the Earth equal to 1/4 the distance from the Earth's center to the Moon's center. In terms of the Moon's period Tm, what will be the period of the satellite?arrow_forwardTwo satellites are in circular orbits around a planet that has radius 9.00 * 106 m. One satellite has mass 68.0 kg, orbital radius 7.00 * 107 m, and orbital speed 4800 m/s. The second satellite has mass 84.0 kg and orbital radius 3.00 * 107 m. What is the orbital speed of this second satellite?arrow_forward
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