The Cosmic Perspective (9th Edition)
9th Edition
ISBN: 9780134874364
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 2EAP
Define momentum and force. What do we mean when we say that momentum can be changed only by a net force?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
What are Newton’s Laws of Motion?
Explain the way Force affects object’s
What is an Impulse and Momentum?
Explain the way Collision can be controlled?
The impulse-momentum theorem relates impulse to the change in momentum.
I need help with all the questions.
1. Give the formula for impulse in terms of force: J = __________
Give the formula for impulse in terms of momentum: J = __________
2. In a car collision, the driver’s body (80 kg) must change from a high value (40 m/s) to zero.
What is the person’s initial momentum? _______ Final momentum? _____ Impulse? ______
If the person comes to a stop over 2 s, what is the stopping force? _______
If the person comes to a stop over 3 s, what is the stopping force? _______
Given this, explain how a car’s airbag protects you. _________________________________
3. You throw a 400 g lump of clay at 10 m/s against a wall. The clay sticks to the wall.
What is the initial momentum? ________ Final momentum? ________ Impulse? ________
You throw a 400 g rubber ball at 10 m/s against a wall. The ball rebounds at 8 m/s.
What is the initial momentum?…
The impulse-momentum theorem relates impulse to the change in momentum.
If the person comes to a stop over 2 s, what is the stopping force?
If the person comes to a stop over 3 s, what is the stopping force?
Given this, explain how a car’s airbag protects you.
Chapter 4 Solutions
The Cosmic Perspective (9th 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 - Prob. 35EAPCh. 4 - Testing Gravity. Scientists are continually trying...Ch. 4 - Prob. 38EAPCh. 4 - Prob. 39EAPCh. 4 - Prob. 40EAPCh. 4 - Weightlessness. Astronauts are weightless when in...Ch. 4 - Units of Acceleration. If you drop a rock from a...Ch. 4 - Gravitational Potential Energy. For each of the...Ch. 4 - Prob. 44EAPCh. 4 - The Gravitational Law. How does quadrupling the...Ch. 4 - Allowable Orbits? Suppose the Sun were replaced by...Ch. 4 - Head-to-Foot Tides. You and Earth attract each...Ch. 4 - Prob. 48EAPCh. 4 - Geostationary Orbit. A satellite in geostationary...Ch. 4 - Prob. 51EAPCh. 4 - Prob. 52EAPCh. 4 - Moving Candy Bar. Table 4.1 shows that...Ch. 4 - Spontaneous Human Combustion. Suppose that all the...Ch. 4 - Fusion Power. No one has yet succeeded in creating...Ch. 4 - Understanding Newton’s Version of Kepler’s Third...Ch. 4 - Using Newton’s Version of Kepler’s Third Law....Ch. 4 - Escape Velocity. Calculate the escape velocity...Ch. 4 - Weights on Other Worlds. Calculate the...Ch. 4 - Prob. 60EAPCh. 4 - Extra Moon. Suppose Earth had a second moon,...
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
- Physical Scien. Iomentumi KD SISI 5. If an object traveling at 20 m/s (about 44 miles per hour) has a momentum of 800Kg*m/s, what is the object's mass? 6. A locomotive has a mass of 200,000 Kg. It is moving at 4.5 m/s (10 miles per hour). How fast would a car (mass 1000Kg) be traveling to have the same momentum? 7. In a sentence or two, describe what you think would happen if the car and locomotive in #6 above ran head on into each other if they have the same momentum. 8. If you can run 6.7 m/s (15 miles per hour) while holding a 3.5 Kg (8 pound) shot put, how much momentum does the shot put have? 近arrow_forwardThe figure(Figure 1) shows a collision between three balls of clay. The three hit simultaneously and stick together. What is the speed of the resulting blob of clay? What is the direction of the resulting blob of clay?arrow_forwardA car of mass 100 kg moving with a velocity of 30 metre per second. What will be its momentum. What is law of conservation of momentum?arrow_forward
- Calculate the momentum of a 4,200 kg car traveling at a speed of 27 m/s. 113,400kg-m/s If the car in the previous question slowed to a speed of 12 m/s, what is the change in Momentum? so please answer the second question thank youarrow_forwardA truck weighing 5000 lb brakes to a stop in 40 ft from an initial speed of 25 mi/hr.How much force was required to stop? How long it take before it stops. What is the impulse that acted into the truck?How much is the change in momentum?arrow_forwardUse the formula that provided here plus don’t copy from chegg. Explain me step by step would be helpful please 12,13,15,16 12. A 4-kg ball moving to the right at 12 m/s collides elastically with a 2-kg ball moving to the left at 6 m/s. What are the speeds of the 4-kg and the 2-kg balls after the collision? answer is 4 m/s and 10 m/s 13. A 2-kg block is placed at the top of a 5-m high, frictionless ramp and is released from rest. At the bottom of the ramp the 2-kg block collides with a 1-kg block that is initially at rest. The blocks stick together. What is the velocity of the blocks after the collision? answer is 6.6m/s 15. A 3-kg box is moving at 6.0 m/s atop a hill that is 5.0 m above a flat frictionless surface. It descends the hill (also frictionless) and at the bottom of the hill contacts an ideal spring, which compresses 1.53 m before stopping. What is the spring constant k ? answer is 172n/m 16. A 2-kg box is released from rest from the top of a 5-m-high frictionless ramp.…arrow_forward
- What is the difference between momentum and velocity? Why does it make more sense to concern yourself with the momentum of an object moving toward you, rather than just it's velocity?arrow_forwardWhat is momentum? Is momentum a vector or a scalar? Is momentum always conserved? What is the relationship between momentum and center of mass? What is the impulse? What are the similarities and differences between impulse and work?arrow_forwardin landing rocket experiment . my doctor want me to write a 5 lines about what I have learned from this screenshot. explain each grapharrow_forward
- Check Your Understanding Quipper Solve the following problems. Show your pertinent solution. 1. A 200 kg missile is launched at a speed of 1,000 m/s, east. Calculate the momentum of the missile. 2. A car is moving at 25 m/s to the right with a momentum of 1000 kg m/s. Calculate the mass of the car. 3. What is the velocity of a 425 kg motorcycle moving at a momentum of 12 000 kg m/s?arrow_forwardTwo marbles with different masses move toward each other on a frictionless surface (as shown Figure)... If the collision completely ‘elastic’, what is the velocity of each marble (magnitude and direction) after the collision? (Since the collision is head-on, all the motion is along a line. what is the change in momentum for each marble? what is the change in kinetic energy for each marble?arrow_forwardAn object of mass 10 kg moving at a speed of 5 m/s collides with a ball of mass 4 kg moving in the opposite direction as 10 kg ball with a speed of 6. If 10 kg ball moves with a speed of 6 m/s after collision, What is the difference in KE of the system before and after the collision (Hint: Do before - after). Round your answer to two decimal places.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Momentum | Forces & Motion | Physics | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=DxKelGugDa8;License: Standard YouTube License, CC-BY