The Cosmic Perspective (8th Edition)
8th Edition
ISBN: 9780134059068
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 4, Problem 27EAP
Choose the best answer to each of the following. Explain your reasoning with one or more complete sentences.
27. Which person is weightless? (a) A child in the air as she plays on a trampoline (b) A scuba diver exploring a deepsea wreck (c) An astronaut on the Moon
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
STOP
This is a two part question. Be sure to answer both Part A and Part B.
Part A. A rocket takes off from Earth and starts flying to Mars. Describe what
happens to the force of gravity between the rocket and Earth as the rocket
approaches.
U S X2
A:
O Words
Sign out
INTL I
Deepen
Lestions: Write FACT if the statement is true and BLUFF if not.
1. The gravitational force exerted by the Earth on an object
is equivalent to the object's weight.
2. Gravity is a contact force that acts between two separate
objects.
3. Anything that goes up ultimately goes down.
4. The principle of gravity was discovered by Sir Isaac
Newton.
5. Gravity on the Moon is greater than on Earth.
6. Gravitational pull between objects increases as the
distance between them decreases.
7. The greater the mass of an object, the greater the pull
of gravity on it.
8. Mass is the measure of how much matter there is in a
body or object.
9. Gravity does not depend on the masses of the object
and the distance between two objects.
10. Weight is the force that gravity exerts on an object.
ons: Answer the following questions briefly but substantially.
(2 points each)
is gravitational force related to the mass of an object?
Describe your approach to the calculation of the period of a satellite moving in the gravitational field of a planet with mass M.
O a. Use Newton's 3rd law.
b.
Use Kepler's 3rd law.
Use Newton's law of universal gravitation.
O c.
Od. Use Newton's 1st law.
Oe. Use Newton's 2nd law.
Chapter 4 Solutions
The Cosmic Perspective (8th Edition)
Ch. 4 - Prob. 1VSCCh. 4 - Use the following questions to check your...Ch. 4 - Use the following questions to check your...Ch. 4 - Use the following questions to check your...Ch. 4 - Use the following questions to check your...Ch. 4 - Define speed, velocity, and acceleration. What are...Ch. 4 - Define momentum and force. What do we mean when we...Ch. 4 - What is free-fall, and why does it make you...Ch. 4 - Prob. 4EAPCh. 4 - Describe the laws of conservation of momentum, of...
Ch. 4 - Define kinetic energy, radiative energy, and...Ch. 4 - Define temperature and thermal energy. How are...Ch. 4 - Prob. 8EAPCh. 4 - 9. Summarize the universal law of gravitation both...Ch. 4 - 10. What is the difference between a bound and an...Ch. 4 - What do we need to know if we want to measure an...Ch. 4 - Explain why orbits cannot change spontaneously,...Ch. 4 - Explain how the Moon creates tides on Earth. Why...Ch. 4 - What is tidal friction? What effects does it have...Ch. 4 - Does It Make Sense?
Decide whether the statement...Ch. 4 - Does It Make Sense?
Decide whether the statement...Ch. 4 - Does It Make Sense?
Decide whether the statement...Ch. 4 - Does It Make Sense?
Decide whether the statement...Ch. 4 - Prob. 19EAPCh. 4 - Prob. 20EAPCh. 4 - Does It Make Sense? Decide whether the statement...Ch. 4 - Does It Make Sense?
Decide whether the statement...Ch. 4 - Does It Make Sense?
Decide whether the statement...Ch. 4 - Does It Make Sense?
Decide whether the statement...Ch. 4 - Choose the best answer to each of the following....Ch. 4 - Choose the best answer to each of the following....Ch. 4 - Choose the best answer to each of the following....Ch. 4 - Choose the best answer to each of the following....Ch. 4 - Choose the best answer to each of the following....Ch. 4 - Prob. 30EAPCh. 4 - Prob. 31EAPCh. 4 - Choose the best answer to each of the following....Ch. 4 - Choose the best answer to each of the following....Ch. 4 - Choose the best answer to each of the following....Ch. 4 - Testing Gravity. Scientists are continually trying...Ch. 4 - Prob. 36EAPCh. 4 - Prob. 37EAPCh. 4 - 38. Weightlessness, Astronauts are weightless when...Ch. 4 - Prob. 39EAPCh. 4 - Gravitational Potential Energy. For each of the...Ch. 4 - Prob. 41EAPCh. 4 - Prob. 42EAPCh. 4 - Prob. 43EAPCh. 4 - Prob. 44EAPCh. 4 - Prob. 45EAPCh. 4 - Geostationary Orbit. A satellite in geostationary...Ch. 4 - Prob. 47EAPCh. 4 - Prob. 48EAPCh. 4 - Prob. 49EAPCh. 4 - Prob. 50EAPCh. 4 - Prob. 51EAPCh. 4 - Prob. 52EAPCh. 4 - Prob. 53EAPCh. 4 - Prob. 54EAPCh. 4 - Prob. 55EAPCh. 4 - Prob. 56EAPCh. 4 - Prob. 57EAPCh. 4 - Prob. 58EAPCh. 4 - Prob. 59EAPCh. 4 - Prob. 60EAPCh. 4 - Prob. 61EAPCh. 4 - Prob. 62EAP
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
- Describe your approach to calculation of the gravitational field strength on a planet with a given size (e.g. diameter) and known escape velocity. O a. Use Newton's law of universal gravitation. O b. Use Newton's 3rd law. O c. Use Newton's 1st law. O d Use Newton's 2nd law. O e. Use law of conservation of energy.arrow_forwardPlease explain your answer. Please write clearly. Please only answer if you are good at explaining physics concepts.arrow_forwardInclude appropriate units in your final answer. Round off your final answer to two decimal places. Box your final answer. Follow the given formulas 4. The Disk-O-Magic ride spins its occupants inside a flying disk-shaped container. If the circular path the riders follow has an 8.00-m radius and its centripetal acceleration equal to the acceleration due to gravity, then (a) What is the velocity of each rider? (b) How long does it take for the rider to complete one circle?arrow_forward
- You push a box up a ramp (friction between the box and the ramp is not negligible). Call the initial state when you begin to push the box. Call the final state after you have pushed the box up the ramp a distance of 0.5 m and it is moving with a speed of 2 m/s. 1. System: box + ramp2. System: you3. System: box + ramp + Earth4. System: box5. System: box + ramp + Earth + you This question is asking whether or not the energy of the system stays constant or if the energy changes in each one of these situations. It is dealing with the Work Energy Theoremarrow_forwardDescribe your approach to calculation of the gravitational field strength on a planet with a given size (e.g. diameter) and known escape velocity. O a. Use Newton's 3rd law. O b. Use Newton's 2nd law. O C. Use Newton's law of universal gravitation. O d. Use Newton's 1st law. Use law of conservation of energy.arrow_forward5. Calculate the weight of a 155 lb. person on Earth. (Calculate your own weight just for fun [do not write it down] so the next time someone asks for your weight you can give them the correct answer in Newtons!) 1) ude of the If you were to jump on a bathroom scale, explain how the scale reading would change before it settles to read your actual weight. Use Newton's Second Law to justify why this happens. O ADICAIL Rights Resenied (2019)arrow_forward
- For the following questions, start your analyses by considering at least Newton's Law of Gravitation, centripetal acceleration, Kepler's law or Energy Conservation. Take the Gravitational constant to be a. From Earth we can measure the radius of Mars using our telescopes. An estimate for it is 3.39 x 106 m. By sending an exploratory robot to Mars, we determined the acceleration due to gravity on its surface as 3.73 m/s?. Estimate the mass of Mars. b. The Earth revolves around the Sun once a year at a distance of 1.50 x 1011 m. Estimate the mass of the Sun. c. A rocket is launched straight up from Earth's surface at 2100 m/s. By ignoring air resistance, determine the maximum height it reaches?arrow_forwardInclude appropriate units in your final answer. Round off your final answer to two decimal places. Box your final answer and show your solution. Use g = 9.80 m/s2 A roller coaster car descends a hill from Point A to Point B for 46 meters at an angle of 31.31° with respect to the horizontal. The roller coaster car has a mass of 918 kg. Neglect resistive forces. Determine the (a) net force acting upon the roller coaster car and the (b) the work done on the car by net force. (Clue: the angle between work and displacement is 0°.) Possible answers for (a): (a) ON (b) 7686.24 N Possible answers for (b): (a) OJ (b) 4.22 × 10¹ J (c) 8996.40 N (d) 42228.00 N (c) 3.54 x 105 J (d) 4.14 x 105 Jarrow_forwardInstruction: Read and understand this lesson. Write your answer in a long bond paper/yellow раper. Problem Solving: A. Newton's Law of Universal Gravitation 1) A typical adulthuman has a mass of about 70 kg. a) What force does a full moon exert on such a human when it is directly overhead with its center 378,000 km away? b) Compare this force with the force exerted on the human by the earth. 2) The mass m, of one of the small spheres of a Cavendish balance is 0.0100 kg, the mass m, of the nearest large sphere is 0.500 kg, and the center-to-center distance between them is 0.0500 m. Find the gravitational force F, on each sphere due to the other. B. Weight and Acceleration due to Gravity 1) The mass of Venus is 81.5% that of the earth, and its radius is 94.9% that of the earth. a) Computethe acceleration due to gravity on the surface of Venus from these data. b) If a rock weighs 75.0N on earth, what wouldit weigh at the surface of Venus? Astronomical Datat Body Mass (kg) Radius (m) Orbit…arrow_forward
- State in your own words/understanding those terms below. Elaborate by an example if necessary. Maximum of 8 sentences. 1. Newton's Universal law of gravitation 2. Gravitational fields 3. Orbital weightlessness 4. Kepler's 3 planetary laws 5. Differentiate vector dot product and cross productarrow_forwardTopic: Kepler's Laws of Planetary Motion Show the following in your answer: A. Diagram B.Given Quantities C. Unknown Quantities D. Complete Solution E. Round answers to 2 decimal places F. Express answer with the correct units The Hubble space telescope orbits Earth with an orbital speed of 7.6×103m/s. A. Calculate its altitude above Earth's surface. B. What is its period?arrow_forwardState in your own words/understanding those terms below. Elaborate by an example if necessary. Maximum of 8 sentences. 1. Moment of Inertia 2. Torque 3. Collision 4. Newton's Universal law of gravitation 5. Gravitational fields 6. Orbital weightlessness 7. Kepler's 3 planetary laws 8. Differentiate vector dot product and cross productarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Horizons: Exploring the Universe (MindTap Course ...PhysicsISBN:9781305960961Author:Michael A. Seeds, Dana BackmanPublisher:Cengage Learning
Horizons: Exploring the Universe (MindTap Course ...
Physics
ISBN:9781305960961
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning
Time Dilation - Einstein's Theory Of Relativity Explained!; Author: Science ABC;https://www.youtube.com/watch?v=yuD34tEpRFw;License: Standard YouTube License, CC-BY