University Physics (14th Edition)
14th Edition
ISBN: 9780133969290
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 8, Problem Q8.21DQ
At the highest point in its parabolic trajectory, a shell explodes into two fragments. Is it possible for both fragments to fall straight down after the explosion? Why or why not?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Two perfectly elastic spheres m1 and m2 head towards each other with equal velocities. If after the collision one of them remains at rest. What is the relationship between their masses.
1.m1/m2=2
2.m1/m2 =1
3.m1/m2 =3
4.m1/m2 =4
5.m1/m2=5
6.m1/m2 =6
A 0.500 g (mass = m) bullet with the speed (v) of 10 m/s is fired horizontally into the bob of a ballistic pendulum with the mass (mP) of 0.500 kg. Solve for the maximum height (h) that the bob will attain if the bullet passes through it and emerges with the speed of v/4.
A bullet has a mass of 7.5 g. It is fired into a ballistic pendulum. The pendulums receiving block of wood is 3.5 kg. After the collision, the pendulum swings to a height of 0.1 m. What is the approximate velocity of the bullet?
250 m/s
500 m/s
650 m/s
50 m/s
100 m/s
200 m/s
Chapter 8 Solutions
University Physics (14th Edition)
Ch. 8 - In splitting logs with a hammer and wedge, is a...Ch. 8 - Suppose you catch a baseball and then someone...Ch. 8 - When rain falls from the sky, what happens to its...Ch. 8 - A car has the same kinetic energy when it is...Ch. 8 - A truck is accelerating as it speeds down the...Ch. 8 - (a) If the momentum of a single point object is...Ch. 8 - A woman holding a large rock stands on a...Ch. 8 - In Example 8.7 (Section 8.3), where the two...Ch. 8 - In a completely inelastic collision between two...Ch. 8 - Since for a particle the kinetic energy is given...
Ch. 8 - In each of Examples 8.10, 8.11, and 8.12 (Section...Ch. 8 - A glass dropped on the floor is more likely to...Ch. 8 - In Fig. 8.23b, the kinetic energy of the Ping-Pong...Ch. 8 - A machine gun is fired at a steel plate. Is the...Ch. 8 - A net force of 4 N acts on an object initially at...Ch. 8 - A net force with x-component Fx acts on an object...Ch. 8 - A tennis player hits a tennis ball with a racket....Ch. 8 - Prob. Q8.18DQCh. 8 - An egg is released from rest from the roof of a...Ch. 8 - A woman stands in the middle of a perfectly...Ch. 8 - At the highest point in its parabolic trajectory,...Ch. 8 - When an object breaks into two pieces (explosion,...Ch. 8 - An apple falls from a tree and feels no air...Ch. 8 - Two pieces of clay collide and stick together....Ch. 8 - Two objects of mass M and 5M are at rest on a...Ch. 8 - A very heavy SUV collides head-on with a very...Ch. 8 - (a) What is the magnitude of the momentum of a...Ch. 8 - In a certain track and field event, the shotput...Ch. 8 - Objects A, B, and C are moving as shown in Fig....Ch. 8 - Two vehicles are approaching an intersection. One...Ch. 8 - One 110-kg football lineman is running to the...Ch. 8 - BIO Biomechanics. The mass of a regulation tennis...Ch. 8 - Force of a Golf Swing. A 0.0450-kg golf ball...Ch. 8 - Force of a Baseball Swing. A baseball has mass...Ch. 8 - A 0.160-kg hockey puck is moving on an icy,...Ch. 8 - A bat strikes a 0.145-kg baseball. Just before...Ch. 8 - CALC At time t = 0 a 2150-kg rocket in outer space...Ch. 8 - BIO Bone Fracture. Experimental tests have shown...Ch. 8 - A 2.00-kg stone is sliding to the right on a...Ch. 8 - CALC Starting at t = 0, a horizontal net force F =...Ch. 8 - To warm up for a match, a tennis player hits the...Ch. 8 - A 68.5-kg astronaut is doing a repair in space on...Ch. 8 - The expanding gases that leave the muzzle of a...Ch. 8 - Two figure skaters, one weighing 625 N and the...Ch. 8 - BIO Animal Propulsion. Squids and octopuses propel...Ch. 8 - You are standing on a sheet of ice that covers the...Ch. 8 - On a frictionless. horizontal air table, puck A...Ch. 8 - When cars are equipped with flexible bumpers, they...Ch. 8 - Two identical 0.900-kg masses are pressed against...Ch. 8 - Block A in Fig. E8.24 has mass 1.00 kg, and block...Ch. 8 - A hunter on a frozen, essentially frictionless...Ch. 8 - An atomic nucleus suddenly bursts apart (fissions)...Ch. 8 - Two ice skaters. Daniel (mass 65.0 kg) and Rebecca...Ch. 8 - You are standing on a large sheet of frictionless...Ch. 8 - You (mass 55 kg) are riding a frictionless...Ch. 8 - An astronaut in space cannot use a conventional...Ch. 8 - Asteroid Collision. Two asteroids of equal mass in...Ch. 8 - Two skaters collide and grab on to each other on...Ch. 8 - A 15.0-kg fish swimming at 1.10 m/s suddenly...Ch. 8 - Two fun-loving otters are sliding toward each...Ch. 8 - Deep Impact Mission. In July 2005, NASAs Deep...Ch. 8 - A 1050-kg sports car is moving westbound at 15.0...Ch. 8 - On a very muddy football field, a 110-kg...Ch. 8 - Accident Analysis. Two cars collide at an...Ch. 8 - Jack (mass 55.0 kg) is sliding due east with speed...Ch. 8 - BIO Bird Defense. To protect their young in the...Ch. 8 - At the intersection of Texas Avenue and University...Ch. 8 - A 5.00-g bullet is fired horizontally into a...Ch. 8 - A Ballistic Pendulum. A 12.0-g rifle bullet is...Ch. 8 - Combining Conservation Laws. A 15.0-kg block is...Ch. 8 - CP A 0.800-kg ornament is hanging by a 1.50-m wire...Ch. 8 - A 0.150-kg glider is moving to the right with a...Ch. 8 - Blocks A (mass 2.00 kg) and B (mass 6.00 kg) move...Ch. 8 - A 10.0-g marble slides to the left at a speed of...Ch. 8 - Moderators. Canadian nuclear reactors use heavy...Ch. 8 - You are at the controls of a particle accelerator,...Ch. 8 - Three odd-shaped blocks of chocolate have the...Ch. 8 - Find the position of the center of mass of the...Ch. 8 - Pluto and Charon. Plutos diameter is approximately...Ch. 8 - A 1200-kg SUV is moving along a straight highway...Ch. 8 - Prob. 8.55ECh. 8 - At one instant, the center of mass of a system of...Ch. 8 - In Example 8.14 (Section 8.5), Ramon pulls on the...Ch. 8 - CALC A system consists of two particles. At t = 0...Ch. 8 - CALC A radio-controlled model airplane has a...Ch. 8 - Prob. 8.60ECh. 8 - A 70-kg astronaut floating in space in a 110-kg...Ch. 8 - A small rocket burns 0.0500 kg of fuel per second,...Ch. 8 - Obviously, we can make rockets to go very fast,...Ch. 8 - A steel ball with mass 40.0 g is dropped from a...Ch. 8 - Just before it is struck by a racket, a tennis...Ch. 8 - Three identical pucks on a horizontal air table...Ch. 8 - Blocks A (mass 2.00 kg) and B (mass 10.00 kg, to...Ch. 8 - A railroad handcar is moving along straight,...Ch. 8 - Spheres A (mass 0.020 kg), B (mass 0.030 kg), and...Ch. 8 - You and your friends are doing physics experiments...Ch. 8 - CP An 8.00-kg block of wood sits at the edge of a...Ch. 8 - Combining Conservation Laws. A 5.00-kg chunk of...Ch. 8 - CP Block B (mass 4.00 kg) is at rest at the edge...Ch. 8 - Two blocks have a spring compressed between them,...Ch. 8 - Automobile Accident Analysis. You are called as an...Ch. 8 - Accident Analysis. A 1500-kg sedan goes through a...Ch. 8 - CP A 0.150-kg frame, when suspended from a coil...Ch. 8 - A rifle bullet with mass 8.00 g strikes and embeds...Ch. 8 - A Ricocheting Bullet. A 0.100-kg stone rests on a...Ch. 8 - Prob. 8.81PCh. 8 - Prob. 8.82PCh. 8 - A ball with mass M, moving horizontally at 4.00...Ch. 8 - PA 20.00-kg lead sphere is hanging from a hook by...Ch. 8 - A 4.00-g bullet, traveling horizontally with a...Ch. 8 - A 5.00-g bullet is shot through a 1.00-kg wood...Ch. 8 - CP In a shipping company distribution center, an...Ch. 8 - Neutron Decay. A neutron at rest decays (breaks...Ch. 8 - Antineutrino. In beta decay, a nucleus emits an...Ch. 8 - Jonathan and Jane are sitting in a sleigh that is...Ch. 8 - Friends Burt and Ernie stand at opposite ends of a...Ch. 8 - A 45.0-kg woman stands up in a 60.0-kg canoe 5.00...Ch. 8 - You are standing on a concrete slab that in turn...Ch. 8 - CP In a fireworks display, a rocket is launched...Ch. 8 - A 7.0-kg shell at rest explodes into two...Ch. 8 - CP A 20.0-kg projectile is fired at an angle of...Ch. 8 - CP A fireworks rocket is fired vertically upward....Ch. 8 - A 12.0-kg shell is launched at an angle of 55.0...Ch. 8 - CP An outlaw cuts loose a wagon with two boxes of...Ch. 8 - DATA A 2004 Prius with a 150-lb driver and no...Ch. 8 - DATA In your job in a police lab, you must design...Ch. 8 - DATA For the Texas Department of Public Safety,...Ch. 8 - CALC A Variable-Mass Raindrop. In a...Ch. 8 - Prob. 8.104CPCh. 8 - CALC Use the methods of Challenge Problem 8.104 to...Ch. 8 - BIO MOMENTUM AND THE ARCHERFISH. Archerfish are...Ch. 8 - BIO MOMENTUM AND THE ARCHERFISH. Archerfish are...Ch. 8 - BIO MOMENTUM AND THE ARCHERFISH. Archerfish are...Ch. 8 - BIO MOMENTUM AND THE ARCHERFISH. Archerfish are...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Texas Motor Speedway On October 28, 2000 Gil de Ferran set the single-lap average speed record for the then-nam...
College Physics
14. A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.0 cm below the aim point....
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
(a) Use the result of Problem 70 to express Earth's atmospheric density as a function of height. (b) Use your r...
Essential University Physics: Volume 1 (3rd Edition)
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)
(I) A 7700-kg boxcar traveling 18 m/s strikes a second car. The two stick together and move off with a speed of...
Physics for Scientists and Engineers with Modern Physics
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
- As shown in Figure P8.20, a bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed of v/2. The pendulum bob is suspended by a stiff rod (not a string) of length , and negligible mass. What is the minimum value of v such that the pendulum bob will barely swing through a complete vertical circle? Figure P8.20arrow_forwardIt is possible for two moving objects to have different masses but the same momenta.arrow_forwardThe total linear momentum of a system can be zero, even if all the objects in the system are moving. True or false?arrow_forward
- The correct final answer is 2.87E-6. Please show how it became like that. A bullet of mass m=0.500 [g] is fired horizontally with a speed v=10.0 [m/s] into the bob of a ballistic pendulum of mass mP=0.500 [g]. Find the maximum height ℎ attained by the bob if the bullet passes through the bob and emerges with speed v/4.arrow_forwardA 40-g rifle bullet is fired into a ballistic pendulum of mass 5 kg suspended from a chord 1 m long. The bullet remains embedded i the pendulum. Compute the initial velocity of the bullet if the center of gravity of the pendulum is observed to rise a vertical distance of 30cm. Choices: A. 205.69 m/s B. 432.69 m/s C. 305.69 m/s D. 125. 69 m/s E. 503. 69 m/sarrow_forwardA bullet of mass 10 g strikes a ballistic pendulum of mass 2.0 kg.The center of mass of the pendulum rises a vertical distance of 12 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet’s initial speed.arrow_forward
- A bullet of mass 2.7 g strikes a ballistic pendulum of mass 3.9 kg. The center of mass of the pendulum rises a vertical distance of 6.1 cm.Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.arrow_forwardA 0.03 kg ball is thrown horizontally along the (+) x-axis directly towards a wall with a speed of 12 m/s. The ball bounces straight back with a speed of 8 m/s.The impulse of the wall on the ball is: A.) -0.6 kg m/s B.) 1.20 kg m/s C.) -0.2 kg m/s D.) 0.10 kg m/sarrow_forwardIn the figure, two satellites, A and B, both of mass m = 49.1 kg, move in the same circular orbit of radius r = 7410 km around Earth (mass ME = 5.98×1024 kg) but in opposite senses of rotation and therefore on a collision course. (a) Find the total mechanical energy EA+ EB of the two satellites + Earth system before the collision. (b) If the collision is completely inelastic so that the wreckage remains as one piece of tangled material (mass = 2m), find the total mechanical energy immediately after the collision. (c) Just after the collision, is the wreckage falling directly toward Earth’s center or orbiting around Earth?arrow_forward
- A bullet of mass 4.3 g strikes a ballistic pendulum of mass 3.4 kg. The center of mass of the pendulum rises a vertical distance of 9.3 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.arrow_forwardA 10 kg projectile was launched at the horizontal ground at a velocity of 20 m/s, 10 degrees with respect to the horizontal. The projectile hit a 30 kg box on top of a table at 0.177 seconds. If the box developed a speed of 5.140 m/s after impact, what is the speed of the projectile after the collision? Please include FBD.arrow_forwardThe masses mi are located at the points Pi. Find the moments Mx and My and the center of mass of the system. m1 = 3, m2 = 2, m3 = 1, m4 = 4;P1(−4, 1), P2(0, 5), P3(3, 3), P4(1, −2)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Classical Dynamics of Particles and SystemsPhysicsISBN:9780534408961Author:Stephen T. Thornton, Jerry B. MarionPublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Classical Dynamics of Particles and Systems
Physics
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Momentum | Forces & Motion | Physics | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=DxKelGugDa8;License: Standard YouTube License, CC-BY