University Physics Volume 1
18th Edition
ISBN: 9781938168277
Author: William Moebs, Samuel J. Ling, Jeff Sanny
Publisher: OpenStax - Rice University
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 9, Problem 30P
A 0.450-kg hammer is moving horizontally at 7.00 m/s when it strikes a nail and comes to rest after driving the nail 1.00 cm into a board. Assume constant acceleration of the hammer-nail pair.
a. Calculate the duration of the impact.
b. What was the average force exerted on the nail?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 9 Solutions
University Physics Volume 1
Ch. 9 - Check Your Understanding The U.S. Air Force uses...Ch. 9 - Check Your Understanding What if we had assumed...Ch. 9 - Check Your Understanding Suppose the second,...Ch. 9 - Check Your Understanding Would the ball’s change...Ch. 9 - Check Your Understanding Even if there were some...Ch. 9 - Check Your Understanding The changes of momentum...Ch. 9 - Check Your Understanding There is a second...Ch. 9 - Check Your Understanding Suppose there had been no...Ch. 9 - Check Your Understanding Suppose the initial...Ch. 9 - Check Your Understanding Notice that the mass of...
Ch. 9 - Check Your Understanding Suppose we included the...Ch. 9 - Check Your Understanding Suppose you have a...Ch. 9 - Check Your Understanding How would the firework...Ch. 9 - Check Your Understanding What is the physical...Ch. 9 - An object that has a small mass and an object that...Ch. 9 - An object that has a small mass and an object that...Ch. 9 - Is it possible for a small force to produce a...Ch. 9 - Why is a 10-m fall onto concrete far more...Ch. 9 - What external force is responsible for changing...Ch. 9 - A piece of putty and a tennis ball with the same...Ch. 9 - Under what circumstances is momentum conserved?Ch. 9 - Can momentum be conserved for a system if there...Ch. 9 - Explain in terms of momentum and Newton’s laws how...Ch. 9 - Can objects in a system have momentum while the...Ch. 9 - A sprinter accelerates out of the starting blocks....Ch. 9 - A rocket in deep space (zero gravity) accelerates...Ch. 9 - Two objects of equal mass are moving with equal...Ch. 9 - Describe a system for which momentum is conserved...Ch. 9 - Momentum for a system can be conserved in one...Ch. 9 - Suppose a fireworks shell explodes, breaking into...Ch. 9 - It is possible for the velocity of a rocket to be...Ch. 9 - An elephant and a hunter are having a...Ch. 9 - A skater of mass 40 kg is carrying a box of mass 5...Ch. 9 - A car of mass 2000 kg is moving with a constant...Ch. 9 - The mass of Earth is 5.971024kg and its orbital...Ch. 9 - If a rainstorm drops 1 cm of rain over an area of...Ch. 9 - What is the average momentum of an avalanche that...Ch. 9 - What is the average momentum of a 70.0-kg sprinter...Ch. 9 - A 75.0-kg person is riding in a car moving at 20.0...Ch. 9 - One hazard of space travel is debris left by...Ch. 9 - A cruise ship with a mass of 1.00107kg strikes a...Ch. 9 - Calculate the final speed of a 110-kg rugby player...Ch. 9 - Water from a fire hose is directed horizontally...Ch. 9 - A 0.450-kg hammer is moving horizontally at 7.00...Ch. 9 - Prob. 31PCh. 9 - The x-component of a force on a 46-g golf ball by...Ch. 9 - A hockey puck of mass 150 g is sliding due east on...Ch. 9 - A ball of mass 250 g is thrown with an initial...Ch. 9 - Prob. 35PCh. 9 - Two identical pucks collide elastically on an air...Ch. 9 - The figure below shows a bullet of mass 200 g...Ch. 9 - A 20-kg child is coasting at 3.3 m/s over flat...Ch. 9 - A 4.5 kg puffer fish expands to 40 of its mass by...Ch. 9 - Explain why a cannon recoils when it fires a...Ch. 9 - Two figure skaters are coasting in the same...Ch. 9 - A 2000-kg railway freight car coasts at 4.4 m/s...Ch. 9 - A 5.50-kg bowling ball moving at 9.00 m/s collides...Ch. 9 - Ernest Rutherford (the first New Zealander to be...Ch. 9 - A 90.0-kg ice hockey player hits a 0.150-kg puck,...Ch. 9 - A 100-g firecracker is launched vertically into...Ch. 9 - In an elastic collision, a 400-kg bumper car...Ch. 9 - Repeat the preceding problem if the mass of the...Ch. 9 - An alpha particle (4He) undergoes an elastic...Ch. 9 - You are standing on a very slippery icy surface...Ch. 9 - A 35-kg child rides a relatively massless sled...Ch. 9 - A boy sleds down a hill and onto a frictionless...Ch. 9 - Prob. 53PCh. 9 - A billiard ball, labeled 1, moving horizontally...Ch. 9 - A projectile of mass 2.0 kg is fired in the air at...Ch. 9 - Two asteroids collide and stick together. The...Ch. 9 - Prob. 57PCh. 9 - A proton traveling at 3.0106m/s scatters...Ch. 9 - Prob. 59PCh. 9 - A family is skating. The father (75 kg) skates at...Ch. 9 - Prob. 61PCh. 9 - Two cars of the same mass approach an extremely...Ch. 9 - Three point masses are placed at the corners of a...Ch. 9 - Two particles of masses m1 and m2 separated by a...Ch. 9 - Two particles of masses m1 and m2 separated by a...Ch. 9 - Two particles of masses m1 and m2 , move uniformly...Ch. 9 - Two particles of masses m1 and m2 move uniformly...Ch. 9 - Find the center of mass of a one-meter long rod,...Ch. 9 - Find the center of mass of a rod of length L whose...Ch. 9 - Find the center of mass of a rectangular block of...Ch. 9 - Find the center of mass of a rectangular material...Ch. 9 - A cube of side a is cut out of another cube of...Ch. 9 - Find the center of mass of a cone of uniform...Ch. 9 - Find the center of mass of a thin wire of mass in...Ch. 9 - Find the center of mass of a uniform thin...Ch. 9 - Find the center of mass of a sphere of mass M and...Ch. 9 - (a) A 5.00-kg squid initially at rest ejects 0.250...Ch. 9 - A rocket takes off from Earth and reaches a speed...Ch. 9 - Repeat the preceding problem but for a rocket that...Ch. 9 - How much fuel would be needed for a 1000-kg rocket...Ch. 9 - What exhaust speed is required to accelerate a...Ch. 9 - Unreasonable Results Squids have been reported to...Ch. 9 - Two 70-kg canoers paddle in a single, 50-kg canoe....Ch. 9 - Which has a larger magnitude of momentum: a...Ch. 9 - A driver applies the brakes and reduces the speed...Ch. 9 - You friend claims that momentum is mass multiplied...Ch. 9 - Dropping a glass on a cement floor is more likely...Ch. 9 - Your 1500-kg sports car accelerates from 0 to 30...Ch. 9 - A ball of mass m is dropped. What is the formula...Ch. 9 - Repeat the preceding problem, but including a drag...Ch. 9 - A 5.0-g egg falls from a 90-cm-high counter onto...Ch. 9 - A car crashes into a large tree that does not...Ch. 9 - Two hockey players approach each other head on,...Ch. 9 - You are coasting on your 10-kg bicycle at 15 m/s...Ch. 9 - A load of gravel is dumped straight down into a...Ch. 9 - Two carts on a straight track collide head on. The...Ch. 9 - A 100-kg astronaut finds himself separated from...Ch. 9 - Derive the equations giving the final speeds for...Ch. 9 - Repeat the preceding problem for the case when the...Ch. 9 - A child sleds down a hill and collides at 5.6 m/s...Ch. 9 - For the preceding problem, find the final speed of...Ch. 9 - A 90-kg football player jumps vertically into the...Ch. 9 - Three skydivers are plummeting earthward. They are...Ch. 9 - Two billiard balls are at rest and touching each...Ch. 9 - Prob. 105APCh. 9 - Prob. 106APCh. 9 - Repeat the preceding problem if the balls collide...Ch. 9 - Repeat the preceding problem if the balls collide...Ch. 9 - Where is the center of mass of a semicircular wire...Ch. 9 - Where is the center of mass of a slice of pizza...Ch. 9 - If 1 of the Earth’s mass were transferred to the...Ch. 9 - You friend wonders how a rocket continues to climb...Ch. 9 - To increase the acceleration of a rocket, should...Ch. 9 - A 65-kg person jumps from the first floor window...Ch. 9 - Two projectiles of mass m1 and m2 , are fired at...Ch. 9 - Two identical objects (such as billiard balls)...Ch. 9 - A ramp of mass M is at rest on a horizontal...Ch. 9 - Find the center of mass of the structure given in...
Additional Science Textbook Solutions
Find more solutions based on key concepts
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
12. FIGURE Q7.12 shows two masses at rest. The string is massless and the pullies are frictionless. The spring ...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Write each number in decimal form.
38. 4.05 × 100
Applied Physics (11th Edition)
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
What are the advantages and disadvantages of connecting batteries in series? In parallel?
University Physics Volume 2
The height of a certain hill (in feet) is given by , where y is the distance (in miles) north, x the distance e...
Introduction to Electrodynamics
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
- There is a compressed spring between two laboratory carts of masses m1 = 105 g and m2 = 212 g. Initially, the carts are held at rest on a horizontal track (Fig. P10.40A). The carts are released, and the cart of mass m1 has velocity vi=2.035i m/s in the positive x direction (Fig. 10.40B). Assume rolling friction is negligible. a. What is the net external force on the two-cart system? b. Find the velocity of cart 2. FIGURE P10.40 Problems 40 and 41.arrow_forwardThe figure below shows a bullet of mass 200 g traveling horizontally towards the east with speed 400 m/s, which strikes a block of mass 1.5 kg that is initially at rest on a frictionless table. After striking the block, the bullet is embedded in the block and the block and the bullet move together as one unit. a. What is the magnitude and direction of the velocity of the block/bullet combination immediately after the impact? b. What is the magnitude and direction of the impulse by the block on the bullet? c. What is the magnitude and direction of the impulse from the bullet on the block? d. If it took 3 ms for the bullet to change the speed from 400 m/s to the final speed after impact, what is the average force between the block and the bullet during this time?arrow_forwardA man claims he ran safely hold on to a 12.0-kg child in a head-on collision with a relative speed of 120-mi/h lasting for 0.10 s as long as he has his seat belt on. (a) Find the magnitude of the average force needed to hold onto the child, (b) Based on the result to part (a), is the mans claim valid? (c) What does the answer to this problem say about laws requiring the use of proper safely devices such as seat belts and special toddler seats?arrow_forward
- In a head-on, inelastic collision, a 4,000-kg truck going 10 m/s east strikes a 1,000-kg car going 20 m/s west. (a) What is the speed and direction of the wreckage? (b) How much kinetic energy was lost in the Collision?arrow_forwardProfessional Application A 30,000-kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps 110,000 kg of scrap metal into it. (a) What is the final velocity of the loaded freight car? (b) How much kinetic energy is lost?arrow_forwardA 45.0-kg girl is standing on a 150-kg plank. Both are originally at rest on a frozen lake that constitutes a frictionless, flat surface. The girl begins to walk along the plank at a constant velocity of 1.50i m/s relative to the plank. (a) What is the velocity of the plank relative to the ice surface? (b) What is the girls velocity relative to the ice surface?arrow_forward
- (a) If two automobiles collide, they usually do not stick together. Does this mean the collision is elastic? (b) Explain why a head-on collision is likely to be more dangerous than other types of collisions.arrow_forward(a) A 5.00-kg squid initially at rest ejects 0.250 kg of fluid with a velocity of 10.0 m/s. What is the recoil velocity of the squid if the ejection is done in 0.100 s and there is a 5.00-N frictional force opposing the squid’s movement? (b) How much energy is lost to work done against friction?arrow_forwardIn Example 2.12, two circus performers rehearse a trick in which a ball and a dart collide. We found the height and time of the collision graphically. Return to that example, and find height and time by simultaneously solving the equations for the ball and the dart.arrow_forward
- (a) What is the mass of a large ship that has a momentum of 1.60109kgm/s, when the ship is moving at a speed of 48.0 km/h? (b) Compare the ship's momentum to the momentum of a 1100-kg artillery shell fired at a speed of 1200 m/s.arrow_forwardEstimate the magnitude of the momentum of a car on the highway.arrow_forwardA 45.0-kg girl is standing on a 150.-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.50 m/s to the right relative to the plank. (a) What is her velocity relative to the surface of the ice? (b) What is the velocity of the plank relative to the surface of the ice?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 UniversityGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Newton's Third Law of Motion: Action and Reaction; Author: Professor Dave explains;https://www.youtube.com/watch?v=y61_VPKH2B4;License: Standard YouTube License, CC-BY