1. The gravitational force between two spherical masses is Fg. Which of the following would increase the gravitational force between the objects to 16F,? a) increasing the distance by a factor of 4. b) increasing the distance by a factor of 16. c) increasing the mass of one object by a factor of 4. d) increasing the mass of both objects by a factor of 4.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
icon
Related questions
Question

Pls help on all

1. The gravitational force between two spherical masses is Fg. Which of the following would increase the
gravitational force between the objects to 16F,?
a) increasing the distance by a factor of 4.
b) increasing the distance by a factor of 16.
c) increasing the mass of one object by a factor of 4.
d) increasing the mass of both objects by a factor of 4.
2. For a given mass, m, and a given distance, d, separating you and the object, which of the following
would exert a stronger gravitational force on you?
a) an object of mass 7m a distance 15d away.
b) an object of mass 9m a distance 5d away.
c) an object of mass 8m a distance 3d away.
d) an object of mass 12m a distance 4d away.
3. Suppose a planet has half the mass of Earth but the same radius. An astronaut stands on the surface
of the planet and drops a rock from a height of 2.4 m. How much longer does it take the rock to hit the
ground on that planet than it would on Earth?
a) 1.2 times longer.
c) 2 times longer.
b) V7 times longer.
d) 4.8 times longer. tion of motion.
4. A satellite is in a circular orbit around the Earth at an altitude of 650 km. What orbital speed must the
satellite maintain to stay in orbit at this altitude?
a) 5.7 X 103 m/s
c) 2.5 X 10* m/s
b) 7.5 X 103 m/s
d) 7.9 X 10* m/s
5. A negatively charged plastic rod comes close to but does not touch a neutral metal sphere. While the
rod is still close, someone momentarily touches the opposite side of the sphere with her finger. The
charge on the metal sphere is
a) negative.
c) neutral.
b) positive
d) cannot be determined.
|
|
Transcribed Image Text:1. The gravitational force between two spherical masses is Fg. Which of the following would increase the gravitational force between the objects to 16F,? a) increasing the distance by a factor of 4. b) increasing the distance by a factor of 16. c) increasing the mass of one object by a factor of 4. d) increasing the mass of both objects by a factor of 4. 2. For a given mass, m, and a given distance, d, separating you and the object, which of the following would exert a stronger gravitational force on you? a) an object of mass 7m a distance 15d away. b) an object of mass 9m a distance 5d away. c) an object of mass 8m a distance 3d away. d) an object of mass 12m a distance 4d away. 3. Suppose a planet has half the mass of Earth but the same radius. An astronaut stands on the surface of the planet and drops a rock from a height of 2.4 m. How much longer does it take the rock to hit the ground on that planet than it would on Earth? a) 1.2 times longer. c) 2 times longer. b) V7 times longer. d) 4.8 times longer. tion of motion. 4. A satellite is in a circular orbit around the Earth at an altitude of 650 km. What orbital speed must the satellite maintain to stay in orbit at this altitude? a) 5.7 X 103 m/s c) 2.5 X 10* m/s b) 7.5 X 103 m/s d) 7.9 X 10* m/s 5. A negatively charged plastic rod comes close to but does not touch a neutral metal sphere. While the rod is still close, someone momentarily touches the opposite side of the sphere with her finger. The charge on the metal sphere is a) negative. c) neutral. b) positive d) cannot be determined. | |
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Length contraction and Lorentz equation
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
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON