COLLEGE PHYSICS - LCPO
4th Edition
ISBN: 9780134700427
Author: Knight
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 6, Problem 81MSPP
Suppose a spacecraft orbits the moon in a very low, circular orbit, just a few hundred meters above the lunar surface. The moon has a diameter of 3500 km, and the free-fall acceleration at the surface is 1.6 m/s2.
77. How fast is this spacecraft moving?
A. 53 m/s
B. 75 m/s
C. 1700 m/s
D. 2400 m/s
Expert Solution & Answer
Learn your wayIncludes step-by-step video
schedule02:11
Students have asked these similar questions
E10. Suppose that the gravitational acceleration on a certain planet is only 3.0 m/s^2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 18 m/s.
a. What is the velocity of the ball 4 seconds after it is thrown?
b. How much time elapses before the ball reaches the high point in its flight?
A passenger on a Ferris wheel of diameter 22 m makes one complete revolution every 45 s. What is the passenger’s centripetal acceleration?
a.
19 m/s2
d.
0.21 m/s2
b.
13 m/s2
e.
0.068 m/s2
c.
0.43 m/s2
6. A ball is thrown horizontally from the top of a building 110 m high. The ball strikes the ground at a point 65 m
horizontally away from and below the point of release. What is the speed of the ball just before it strikes the
ground?
a.
14 m/s
b. 23 m/s
c. 36 m/s
d.
49 m/s
e.
61 m/s
Chapter 6 Solutions
COLLEGE PHYSICS - LCPO
Ch. 6 - A cyclist goes around a level, circular track at...Ch. 6 - In uniform circular motion, which of the following...Ch. 6 - Prob. 3CQCh. 6 - Prob. 4CQCh. 6 - Large birds like pheasants often walk short...Ch. 6 - When you drive fast on the highway with muddy...Ch. 6 - A ball on a string moves in a vertical circle as...Ch. 6 - Give an everyday example of circular motion for...Ch. 6 - Give an everyday example of circular motion for...Ch. 6 - Prob. 10CQ
Ch. 6 - A car coasts at a constant speed over a circular...Ch. 6 - In Figure Q6.11, at the instant shown, is the...Ch. 6 - Riding in the back of a pickup truck can be very...Ch. 6 - Playground swings move through an arc of a circle....Ch. 6 - Variation in your apparent weight is desirable...Ch. 6 - Prob. 16CQCh. 6 - Why is it impossible for an astronaut inside an...Ch. 6 - If every object in the universe feels an...Ch. 6 - A mountain climbers weight is slightly less on the...Ch. 6 - Prob. 20CQCh. 6 - A ball on a string moves around a complete circle,...Ch. 6 - As seen from above, a car rounds the curved path...Ch. 6 - As we saw in the chapter, wings on race cars push...Ch. 6 - Prob. 24MCQCh. 6 - Prob. 25MCQCh. 6 - The cylindrical space station in Figure Q6.25, 200...Ch. 6 - The radius of Jupiter is 11 times that of earth,...Ch. 6 - A newly discovered planet has twice the mass and...Ch. 6 - Suppose one night the radius of the earth doubled...Ch. 6 - Currently, the moon goes around the earth once...Ch. 6 - Two planets orbit a star. You can ignore the...Ch. 6 - A 5.0-m-diameter merry-go-round is turning with a...Ch. 6 - Prob. 2PCh. 6 - An old-fashioned LP record rotates at 3313rpm. a....Ch. 6 - A typical hard disk in a computer spins at 5400...Ch. 6 - Prob. 5PCh. 6 - The horse on a carousel is 4.0 m from the central...Ch. 6 - The radius of the earths very nearly circular...Ch. 6 - Modern wind turbines are larger than they appear,...Ch. 6 - Prob. 9PCh. 6 - Prob. 10PCh. 6 - Prob. 11PCh. 6 - A typical running track is an oval with...Ch. 6 - Figure P6.13 is a birds-eye view of particles on a...Ch. 6 - In short-track speed skating, the track has...Ch. 6 - Prob. 15PCh. 6 - A cyclist is rounding a 20-m-radius curve at 12...Ch. 6 - A 1500 kg car drives around a flat 200-m-diameter...Ch. 6 - A fast pitch softball player does a windmill...Ch. 6 - Prob. 19PCh. 6 - A wind turbine has 12,000 kg blades that are 38 m...Ch. 6 - Youre driving your pickup truck around a curve...Ch. 6 - Prob. 22PCh. 6 - Gibbons, small Asian apes, move by brachiation,...Ch. 6 - The passengers in a roller coaster car feel 50%...Ch. 6 - Prob. 25PCh. 6 - A roller coaster car is going over the top of a...Ch. 6 - As a roller coaster car crosses the top of a...Ch. 6 - Prob. 28PCh. 6 - Prob. 29PCh. 6 - Prob. 30PCh. 6 - Prob. 31PCh. 6 - A satellite orbiting the moon very near the...Ch. 6 - Spacecraft have been sent to Mars in recent years....Ch. 6 - The centers of a 10 kg lead ball and a 100 g lead...Ch. 6 - The gravitational force of a star on an orbiting...Ch. 6 - The free-fall acceleration at the surface of...Ch. 6 - What is the ratio of the suns gravitational force...Ch. 6 - Prob. 38PCh. 6 - In recent years, astronomers have found planets...Ch. 6 - Prob. 40PCh. 6 - a. What is the gravitational force of the sun on...Ch. 6 - What is the value of g on the surface of Saturn?...Ch. 6 - What is the free-fall acceleration at the surface...Ch. 6 - Prob. 44PCh. 6 - Prob. 45PCh. 6 - Prob. 46PCh. 6 - Prob. 47PCh. 6 - Planet X orbits the star Omega with a year that is...Ch. 6 - The International Space Station is in a...Ch. 6 - An earth satellite moves in a circular orbit at a...Ch. 6 - In recent years, scientists have discovered...Ch. 6 - In recent years, scientists have discovered...Ch. 6 - In recent years, scientists have discovered...Ch. 6 - How fast must a plane fly along the earths equator...Ch. 6 - Prob. 55GPCh. 6 - A 75 kg man weighs himself at the north pole and...Ch. 6 - Prob. 57GPCh. 6 - Prob. 58GPCh. 6 - Prob. 60GPCh. 6 - Prob. 61GPCh. 6 - Prob. 62GPCh. 6 - Prob. 63GPCh. 6 - Prob. 64GPCh. 6 - A 5.0 g coin is placed 15 cm from the center of a...Ch. 6 - In an old-fashioned amusement park ride,...Ch. 6 - The 0.20 kg puck on the frictionless, horizontal...Ch. 6 - While at the county fair, you decide to ride the...Ch. 6 - A car drives over the top of a hill that has a...Ch. 6 - The ultracentrifuge is an important tool for...Ch. 6 - A sensitive gravimeter at a mountain observatory...Ch. 6 - Prob. 72GPCh. 6 - Planet Z is 10,000 km in diameter. The free-fall...Ch. 6 - How long will it take a rock dropped from 2.0 m...Ch. 6 - A 20 kg sphere is at the origin and a 10 kg sphere...Ch. 6 - a. At what height above the earth is the free-fall...Ch. 6 - Mars has a small moon, Phobos, that orbits with a...Ch. 6 - You are the science officer on a visit to a...Ch. 6 - Europa, a satellite of Jupiter, is believed to...Ch. 6 - The direction of the net force on the craft is A....Ch. 6 - Suppose a spacecraft orbits the moon in a very...Ch. 6 - How much time does it take for the spacecraft to...Ch. 6 - The material that comprises the side of the moon...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Using the definitions in Eqs. 1.1 and 1.4, and appropriate diagrams, show that the dot product and cross produc...
Introduction to Electrodynamics
BIO “SEEING” SURFACES AT THE NANOSCALE. One technique for making images of surfaces at the nanometer scale, inc...
University Physics (14th Edition)
Write each number in decimal form.
44. 8.72 × 10–10
Applied Physics (11th Edition)
How are all rocks related to one another?
Conceptual Integrated Science
A dropped ball bounces to one-half its original height. Discuss the energy transformations that take place.
University Physics Volume 1
Which color of light has the greatest energy output in Figure 1?
Figure 1
Lecture- Tutorials for Introductory Astronomy
Knowledge Booster
Learn more about
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
- At a given point above Earth's surface, the acceleration due to gravity is 65 m/s². What is the altitude of this point from the center of Earth. Answer in terms of Earth's radius . A. 0.66 R B. 1.0 R C. 1.23 R D. 1.5 Rarrow_forwardAn astronaut on a strange planet finds that she can jump at 45 degree with a maximum horizontal distance of 15 m if her initial speed is 4 m/s, a. What is the x-component of the velocity? b. How long does it take for the astronaut to travel the distance of 15 m? c. What is the y-component of the velocity? d. What is the free-fall acceleration on the planet?arrow_forwardA space probe leaves the solar system to explore interstellar space. Once it is far from any stars, when must it fire its rocket engines? A. only when it wants to slow down B. when it wants to speed up C. all the time, in order to keep moving 19 D. only when it wants to turn E. only when it wants to speed uparrow_forward
- A race car moving with a constant speed of 60 m/s completes one lap around a circular track in 50 s. What is the magnitude of the acceleration of the race car? a. 8.8 m/s b. 7.5 m/s c. 9.4 m/s d. 6.3 m/s e. 5.3 m/s O B OD O E O A Next » No new datlmsave lhabedkedlet2.0Apm SubminOuiaarrow_forwardA small rocket launched straight up. When at a height of 5.0km and velocity of 200.0 m/s, it is releases its booster and enters free fall. Neglecting air friction, 1. what is the velocity of the rocket at a height of 6.0km on its way up? A. 142 m/s B. 200 m/s C. 244 m/s D. 397 m/s 2. What is the maximum height, above the ground, the rocket attains? A. 2020m B. 5000m C. 7040m 3. Calculate the total time of flight between releasing its boosters and falling back and hitting the ground? A. 20.4a B. 40.8s C. 37.9s D. 58.3sarrow_forward2. A girl jogs around a horizontal circle with a constant speed. She travels one half of a revolution, a distance of 20.0 m along the circumference of the circle, in 8.00 s. a. What is the radius of the circle in meters? b. What is the period? c. What is her speed? d. What is her radial acceleration is?arrow_forward
- A ball is thrown horizontally from a cliff of height 90 meters with an initial speed of 45 m/s. A. How far from the base of the cliff will it strike the ground? B. What is its vertical component of velocity when it strikes the ground? C. What is its speed when it strikes the ground?arrow_forwardAt a particular instant, a hot air balloon is 100 m in the air and descending at a constant speed of 2.0 m/s. At this exact instant, a girl throws a ball horizontally, relative to herself, with an initial speed of 19 m/s. When she lands, where will she find the ball? Ignore air resistance. Ax marrow_forwardAn object moves with a speed of 2.4 m/s in a circle of radius 1.6 m. Its centripetal acceleration is a. 9.2 m/s2 d. 1.5 m/s2 b. 7.4 m/s2 e. 0.94 m/s2 c. 3.6 m/s2arrow_forward
- 5. A planet moves in an elliptical orbit around the Sun. While the planet is moving from perihelion to aphelion, which of the following is true? Explain. A. The planet's acceleration is entirely in the same direction as its velocity. B. The planet's acceleration is entirely in the opposite direction as its velocity. C. The planet's acceleration is completely perpendicular to its velocity. D. A component of the planet's acceleration is in the same direction as its velocity. E. A component of the planet's acceleration is in the opposite direction as its velocity.arrow_forwardAn astronaut, visiting a newly discovered planet, finds the acceleration due to gravity by dropping an object from a height of 1.0 meter and measuring how long it takes the object to hit the ground. If it takes the object 0.8 seconds to hit the ground, what is the acceleration due to gravity on this planet? A. B. 3.1 m/s2 2.5 m/s² 0.78 m/s² C. D.O 1.6 m/s2arrow_forward1. A missile is launched horizontally at A with the speed vo = 188 m/s. the horizontal distance traveled by the missile is d = 1200m. V=188 m/s d=1200 m a. Calculate the time of flight. b. Calculate the value of h c. Calculate the velocity of impact as it strikes the ground B.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Gravitational Force (Physics Animation); Author: EarthPen;https://www.youtube.com/watch?v=pxp1Z91S5uQ;License: Standard YouTube License, CC-BY