 8.1DQ: In splitting logs with a hammer and wedge, is a heavy hammer more e...
 8.1E: (a) What is the magnitude of the momentum of a 10,000kg truck whos...
 8.2DQ: Suppose you catch a baseball and then someone invites you to catch ...
 8.2E: In a certain track and field event, the shotput has a mass of 7.30 ...
 8.3DQ: When rain falls from the sky, what happens to its momentum as it hi...
 8.3E: (a) Show that the kinetic energy ?K? and the momentum magnitude ?p?...
 8.4DQ: A car has the same kinetic energy when it is traveling south at 30 ...
 8.4E: Two vehicles are approaching an intersection. One is a 2500kg pick...
 8.5DQ: A truck is accelerating as it speeds down the highway. One inertial...
 8.5E: One 110kg football lineman is running to the right at 2.75 m/s whi...
 8.6DQ: (a) When a large car collides with a small car, which one undergoes...
 8.6E: Biomechanics?. The mass of a regulation tennis ball is 57 g (althou...
 8.7DQ: A woman holding a large rock stands on a frictionless, horizontal s...
 8.7E: Force of a Golf Swing.? A 0.0450kg golf ball initially at rest is ...
 8.8DQ: In Example 8.7 (Section 8.3), where the two gliders in Fig. 8.15 st...
 8.8E: Force of a Baseball Swing.? A baseball has mass 0.145 kg. (a) If th...
 8.9DQ: In a completely inelastic collision between two objects, where the ...
 8.9E: A 0.160kg hockey puck is moving on an icy, frictionless, horizonta...
 8.10DQ: Since for a particle the kinetic energy is given by and the momentu...
 8.10E: An engine of the orbital maneuvering system (OMS) on a space shuttl...
 8.11DQ: In each of Examples 8.10, 8.11, and 8.12 (Section 8.4), verify that...
 8.11E: CALC? At time t = 0 a 2150kg rocket in outer space fires an engine...
 8.12DQ: A glass dropped on the floor is more likely to break if the floor i...
 8.12E: A bat strikes a 0.145kg baseball. Just before impact, the ball is ...
 8.13DQ: In Fig. 8.22b, the kinetic energy of the PingPong ball is larger a...
 8.13E: A 2.00kg stone is sliding to the right on a frictionless, horizont...
 8.14DQ: A machine gun is fired at a steel plate. Is the average force on th...
 8.14E: BIO Bone Fracture.? Experimental tests have shown that bone will ru...
 8.15DQ: A net force of 4 N acts on an object initially at rest for 0.25 s a...
 8.15E: To warm up for a match, a tennis player hits the 57.0g ball vertic...
 8.16DQ: A net force with xcomponent acts on an object from time t1 to time...
 8.16E: CALC? Starting at t = 0, a horizontal net force is applied to a box...
 8.17DQ: A tennis player hits a tennis ball with a racket. Consider the syst...
 8.17E: The expanding gases that leave the muzzle of a rifle also contribut...
 8.18DQ: In Example 8.4 (Section 8.2), consider the system consisting of the...
 8.18E: A 68.5kg astronaut is doing a repair in space on the orbiting spac...
 8.19DQ: An egg is released from rest from the roof of a building and falls ...
 8.19E: BIO Animal Propulsion.? Squids and octopuses propel themselves by e...
 8.20DQ: A woman stands in the middle of a perfectly smooth, frictionless, f...
 8.20E: You are standing on a sheet of ice that covers the football stadium...
 8.21DQ: In a zerogravity environment, can a rocketpropelled spaceship eve...
 8.21E: On a frictionless, horizontal air table, puck A (with mass 0.250 kg...
 8.22DQ: When an object breaks into two pieces (explosion, radioactive deca...
 8.22E: When cars are equipped with flexible bumpers, they will bounce off ...
 8.23DQ: An apple falls from a tree and feels no air resistance. As it is fa...
 8.23E: Two identical 1.50kg masses are pressed against opposite ends of a...
 8.24DQ: Two pieces of clay collide and stick together. During the collision...
 8.24E: Block A in ?Fig. E8.24? has mass 1.00 kg, and block B has mass 3.00...
 8.25DQ: Two marbles are pressed together with a light ideal spring between ...
 8.25E: A hunter on a frozen, essentially frictionless pond uses a rifle th...
 8.26DQ: A very heavy SUV collides headon with a very light compact car. Wh...
 8.26E: An atomic nucleus suddenly bursts apart (fissions) into two pieces....
 8.27E: Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg), ...
 8.28E: You are standing on a large sheet of frictionless ice and holding a...
 8.29E: Changing Mass?. An opentopped freight car with mass 24,000 kg is c...
 8.30E: An astronaut in space cannot use a conventional means, such as a sc...
 8.31E: Asteroid Collision.? Two asteroids of equal mass in the asteroid be...
 8.32E: Two skaters collide and grab on to each other on frictionless ice. ...
 8.33E: A 15.0kg fish swimming at 1.10 m/s suddenly gobbles up a 4.50kg f...
 8.34E: Two funloving otters are sliding toward each other on a muddy (and...
 8.35E: Deep Impact Mission.? In July 2005, NASA’s “Deep Impact” mission cr...
 8.36E: A 1050kg sports car is moving westbound at 15.0 m/s on a level roa...
 8.37E: On a very muddy football field, a 110kg linebacker tackles an 85k...
 8.38E: Accident Analysis.? Two cars collide at an intersection. Car A , wi...
 8.39E: Two cars, one a compact with mass 1200kg and the other a large gas...
 8.40E: BIO Bird Defense.? To protect their young in the nest, peregrine fa...
 8.41E: At the intersection of Texas Avenue and University Drive, a yellow ...
 8.42E: A 5.00g bullet is fired horizontally into a 1.20kg wooden block r...
 8.43E: A Ballistic Pendulum. ?A 12.0g rifle bullet is fired with a speed ...
 8.44E: Combining Conservation Laws.? A 15.0kg block is attached to a very...
 8.45E: A 5.00kg ornament is hanging by a 1.50m wire when it is suddenly ...
 8.46E: A 0.150kg glider is moving to the right with a speed of 0.80 m/s o...
 8.47E: Blocks ?A ?(mass 2.00 kg) and ?B ?(mass 10.00 kg) move on a frictio...
 8.48E: A 10.0g marble slides to the left at a speed of 0.400 m/s on the f...
 8.49E: Moderators. ?Canadian nuclear reactors use ?heavy water ?moderators...
 8.50E: You are at the controls of a particle accelerator, sending a beam o...
 8.51E: Three oddshaped blocks of chocolate have the following masses and ...
 8.52E: Find the position of the center of mass of the system of the sun an...
 8.53E: Pluto and Charon.? Pluto’s diameter is approximately 2370 km, and t...
 8.54E: A 1200kg SUV is moving along a straight highway at 12.0 m/s. Anoth...
 8.55E: A machine part consists of a thin, uniform 4.00kg bar that is 1.50...
 8.56E: At one instant, the center of mass of a system of two particles is ...
 8.57E: In Example 8.14 (Section 8.5), Ramon pulls on the rope to give hims...
 8.58E: CALC? A system consists of two particles. At t = 0 one particle is ...
 8.59E: CALC? A radiocontrolled model airplane has a momentum given by Wha...
 8.60E: BIO Changing Your Center of Mass.? To keep the calculations fairly ...
 8.61E: A 70kg astronaut floating in space in a 110kg MMU (manned maneuve...
 8.62E: A small rocket burns 0.0500 kg of fuel per second, ejecting it as a...
 8.63E: A C65 model rocket engine has an impulse of 10.0 N·s while burning...
 8.64E: Obviously, we can make rockets to go very fast, but what is a reaso...
 8.65E: A singlestage rocket is fired from rest from a deepspace platform...
 8.66P: A young girl with mass 40.0 kg is sliding on a horizontal, friction...
 8.67P: A steel ball with mass 40.0 g is dropped from a height of 2.00 m on...
 8.68E: In a volcanic eruption, a 2400kg boulder is thrown vertically upwa...
 8.69P: Just before it is struck by a racket, a tennis ball weighing 0.560 ...
 8.70P: Three identical pucks on a horizontal air table have repelling magn...
 8.71P: A 1500kg blue convertible is traveling south, and a 2000kg red SU...
 8.72P: A railroad handcar is moving along straight, frictionless tracks wi...
 8.73P: Spheres A (mass 0.020 kg), B (mass 0.030 kg), and C (mass 0.050 kg)...
 8.74P: You and your friends are doing physics experiments on a frozen pond...
 8.75P: The nucleus of 214Po decays radioactively by emitting an alpha part...
 8.76P: At a classic auto show, a 840kg 1955 Nash Metropolitan motors by a...
 8.77P: CP An 8.00kg block of wood sits at the edge of a frictionless tabl...
 8.78P: CP? A small wooden block with mass 0.800 kg is suspended from the l...
 8.79P: Combining Conservation Laws.? A 5.00kg chunk of ice is sliding at ...
 8.80P: Automobile Accident Analysis.? You are called as an expert witness ...
 8.81P: Accident Analysis.? A 1500kg sedan goes through a wide intersectio...
 8.82P: CP? A 0.150kg frame, when suspended from a coil spring, stretches ...
 8.83P: A rifle bullet with mass 8.00 g strikes and embeds itself in a bloc...
 8.84P: A Ricocheting Bullet.? A 0.100kg stone rests on a frictionless, ho...
 8.85P: A movie stuntman (mass 80.0 kg) stands on a window ledge 5.0 m abov...
 8.86P: CP? Two identical masses are released from rest in a smooth hemisph...
 8.87P: A ball with mass M, moving horizontally at 4.00 m/s, collides elast...
 8.88P: CP? A 20.00kg lead sphere is hanging from a hook by a thin wire 2....
 8.89P: An 8.00kg ball, hanging from the ceiling by a light wire 135 cm lo...
 8.90P: A 7.0kg shell at rest explodes into two fragments, one with a mass...
 8.91P: A 4.00g bullet, traveling horizontally with a velocity of magnitud...
 8.92P: A 5.00g bullet is shot ?through ?a 1.00kg wood block suspended on...
 8.93P: A neutron with mass ?m? makes a headon, elastic collision with a n...
 8.94P: Energy Sharing in Elastic Collisions?. A stationary object with mas...
 8.95P: CP? In a shipping company distribution center, an open cart of mass...
 8.96P: A blue puck with mass 0.0400 kg, sliding with a velocity of magnitu...
 8.97P: Jack and Jill are standing on a crate at rest on the frictionless; ...
 8.98P: Suppose you hold a small ball in contact with, and directly over, t...
 8.99P: Hockey puck ?B? rests on a smooth ice surface and is struck by a se...
 8.100P: Energy Sharing.? An object with mass ?m?, initially at rest, explod...
 8.101P: Neutron Decay.? A neutron at rest decays (breaks up) to a proton an...
 8.102P: A 232Th (thorium) nucleus at rest decays to a 228Ra (radium) nucleu...
 8.103P: Antineutrino.? In beta decay, a nucleus emits an electron. A 210Bi ...
 8.104P: Jonathan and Jane are sitting in a sleigh that is at rest on fricti...
 8.105P: Friends Burt and Ernie stand at opposite ends of a uniform log that...
 8.106P: A 45.0kg woman stands up in a 60.0kg canoe 5.00 m long. She walks...
 8.107P: You are standing on a concrete slab that in turn is resting on a fr...
 8.108P: CP? A 20.0kg projectile is fired at an angle of 60.0o above the ho...
 8.109P: CP? A fireworks rocket is fired vertically upward. At its maximum h...
 8.110P: A 12.0kg shell is launched at an angle of 55.0o above the horizont...
 8.111P: CP? An outlaw cuts loose a wagon with two boxes of gold, of total m...
 8.112P: CALC ?In Section 8.6, we considered a rocket fired in outer space w...
 8.113P: A Multistage Rocket.? Suppose the first stage of a two stage rocket...
 8.114CP: CALC A VariableMass Raindrop.? In a rocket propulsion problem the...
 8.115CP: CALC? In Section 8.5 we calculated the center of mass by considerin...
 8.116CP: CALC? Use the methods of Challenge 8.104 to calculate the x and y...
Solutions for Chapter 8: University Physics 13th Edition
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ISBN: 9780321675460
Solutions for Chapter 8
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Key Physics Terms and definitions covered in this textbook

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parallel

any symbol
average (indicated by a bar over a symbol—e.g., v¯ is average velocity)

°C
Celsius degree

°F
Fahrenheit degree