 8.2P: Eclipses happen on Earth because of an amazing coincidence. Calcula...
 8.3Q: Could a nonrigid body be described by a single value of the angular...
 8.4P: The blades in a blender rotate at a rate of 6500 rpm. When the moto...
 8.5P: A child rolls a ball on a level floor 3.5 m to another child. If th...
 8.5Q: If a force acts on an object such that its lever arm is zero, does ...
 8.7P: (a) A grinding wheel 0.35 m in diameter rotates at 2500 rpm. Calcul...
 8.7Q: A 21speed bicycle has seven sprockets at the rear wheel and three ...
 8.9Q: Why do tightrope walkers (Fig. 8–35) carry a long, narrow beam?FIGU...
 8.12P: A 70cmdiameter wheel accelerates uniformly about its center from ...
 8.12Q: Two solid spheres simultaneously start rolling (from rest) down an ...
 8.15Q: If there were a great migration of people toward the Earth’s equato...
 8.17P: Pilots can be tested for the stresses of flying highspeed jets in a...
 8.17Q: The moment of inertia of a rotating solid disk about an axis throug...
 8.18Q: Suppose you are sitting on a rotating stool holding a 2kg mass in ...
 8.20P: A small rubber wheel is used to drive a large pottery wheel, and th...
 8.22P: A 55kg person riding a bike puts all her weight on each pedal when...
 8.22Q: Suppose you are standing on the edge of a large freely rotating tur...
 8.82GP: Model a figure skater’s body as a solid cylinder and her arms as th...
 8.30P: A potter is shaping a bowl on a potter’s wheel rotating at constant...
 8.35P: A softball player swings a bat, accelerating it from rest to 3.0 re...
 8.36P: A teenager pushes tangentially on a small handdriven merrygoroun...
 8.37P: A centrifuge rotor rotating at 10,300 rpm is shut off and is eventu...
 8.40P: A helicopter rotor blade can be considered a long thin rod, as show...
 8.41P: An Atwood’s machine consists of two masses, m1 and m2, which are co...
 8.42P: A hammer thrower accelerates the hammer (mass = 7.30 kg) from rest ...
 8.43P: A centrifuge rotor has a moment of inertia of 3.75 × 10?2 kg·m2. Ho...
 8.44P: An automobile engine develops a torque of 280 m · N at 3800 rpm. Wh...
 8.45P: A bowling ball of mass 7.3 kg and radius 9.0 cm rolls without slipp...
 8.47P: A merrygoround has a mass of 1640 kg and a radius of 7.50 m. How ...
 8.48P: A sphere of radius 20.0 cm and mass 1.80 kg starts from rest and ro...
 8.49P: Two masses, m1 = 18.0 kg and m2 = 26.5 kg, are connected by a rope ...
 8.50P: A 2.30mlong pole is balanced vertically on its tip. It starts to ...
 8.51P: What is the angular momentum of a 0.210kg ball rotating on the end...
 8.52P: (a) What is the angular momentum of a 2.8kg uniform cylindrical gr...
 8.53P: A person stands, hands at his side, on a platform that is rotating ...
 8.55P: A figure skater can increase her spin rotation rate from an initial...
 8.56P: A potter’s wheel is rotating around a vertical axis through its cen...
 8.57P: (a) What is the angular momentum of a figure skater spinning at 3.5...
 8.60P: A uniform disk turns at 2.4 rev/s around a frictionless spindle. A ...
 8.61P: A person of mass 75 kg stands at the center of a rotating merrygo...
 8.62P: A 4.2mdiameter merrygoround is rotating freely with an angular ...
 8.64P: Hurricanes can involve winds in excess of 120 km/h at the outer edg...
 8.65P: An asteroid of mass 1.0 × 105kg, traveling at a speed of 30 km/s re...
 8.67P: Suppose a 55kg person stands at the edge of a 6.5m diameter merry...
 8.71GP: A 1.4kg grindstone in the shape of a uniform cylinder of radius 0....
 8.70GP: A cyclist accelerates from rest at a rate of 1.00 m/s2. How fast wi...
 8.72GP: (a) A yoyo is made of two solid cylindrical disks, each of mass 0....
 8.74GP: Suppose a star the size of our Sun, but with mass 8.0 times as grea...
 8.75GP: One possibility for a lowpollution automobile is for it to use ene...
 8.77GP: A hollow cylinder (hoop) is rolling on a horizontal surface at spee...
 8.80GP: A bicyclist traveling with speed v = 4.2 m/s on a flat road is maki...
 8.81GP: Suppose David puts a 0.50kg rock into a sling of length 1.5 m and ...
 8.83GP: You are designing a clutch assembly which consists of two cylindric...
 8.86GP: The tires of a car make 85 revolutions as the car reduces its speed...
 8.1Q: A bicycle odometer (which counts revolutions and is calibrated to r...
 8.1CQ: A 64 kg student stands on a very light, rigid board that rests on a...
 8.2Q: Suppose a disk rotates at constant angular velocity, (a) Does a poi...
 8.1P: Express the following angles in radians: (a) 30°, (b) 57°, (c) 90°,...
 8.3P: (I) A laser beam is directed at the Moon, 380,000 km from Earth. Th...
 8.4Q: Can a small force ever exert a greater torque than a larger force? ...
 8.6Q: Why is it more difficult to do a situp with your hands behind your...
 8.8P: (II) A rotating merrygoround makes one complete revolution in 4.0...
 8.8Q: Mammals that depend on being able to run fast have slender lower le...
 8.9P: ?. (II) Calculate the angular velocity of the Earth (a) in its orbi...
 8.10Q: 5. If the net force on 3 system is zero, is the net torque also zer...
 8.11Q: Two inclines have the same height but make different angles with th...
 8.13P: (II) A turntable of radius R1 is turned by a circular rubber roller...
 8.6P: A bicycle with tires 68 cm in diameter travels 8.0 km. How many rev...
 8.13Q: A sphere and a cylinder have the same radius and the same mass. The...
 8.7CQ: You must lean quite far forward as you rise from a chair (try it!)....
 8.14Q: V\fe claim that momentum and angular momentum are conserved. Yet mo...
 8.16Q: Can the diver of Fig. 828 do a somersault without having any initi...
 8.19Q: Two spheres look identical and have the same mass. However, one is ...
 8.20Q: In what direction is the Earth's angular velocity vector as it rota...
 8.21Q: The angular velocity of a wheel rotating on a horizontal axle point...
 8.23Q: A shortstop may leap into the air to catch a ball and throw it quic...
 8.24Q: On the basis of the law of conservation of angular momentum, discus...
 8.10P: What is the linear speed of a point (a) on the equator, (b) on the ...
 8.11P: (II) How fast (in rpm) must a centrifuge rotate if a particle 8.0 c...
 8.13CQ: Steel nails are rigid and unbending. Steel wool is soft and squishy...
 8.38P: (II) The forearm in Fig. 846 accelerates a 3.6kg ball at 7.0 m/s2...
 8.39P: (II) Assume that a 1.00kg ball is thrown solely by the action of t...
 8.46P: (II) Estimate the kinetic energy of the Earth with respect to the S...
 8.54P: (II) A diver (such as the one shown in Fig. 828) can reduce her mo...
 8.14P: In traveling to the Moon, astronauts aboard the Apollo spacecraft p...
 8.58P: Determine the angular momentum of the Earth (a) about its rotation ...
 8.59P: (II) A nonrotating cylindrical disk of moment of inertia I is dropp...
 8.15P: A centrifuge accelerates uniformly from rest to 15,000 rpm in 220 s...
 8.63P: (II) Suppose our Sun eventually collapses into a white dwarf, losin...
 8.66P: A person stands on a platform, initially at rest, that can rotate f...
 8.16P: An automobile engine slows down from 4500 rpm to 1200 rpm in 2.5 s....
 8.68GP: A large spool of rope rolls on the ground with the end of the rope ...
 8.69GP: The Moon orbits the Earth such that the same side always faces the ...
 8.73GP: Bicycle gears: (a) How is the angular velocity wR of the rear wheel...
 8.76GP: Figure 859 illustrates an molecule. The bond O___H length is 0.096...
 8.18P: A wheel 33 cm in diameter accelerates uniformly from 240 rpm to 360...
 8.78GP: A uniform rod of mass Mand length can pivot freely (i.e., we ignore...
 8.79GP: A wheel of mass Mias radius R. It is standing vertically on the flo...
 8.19P: A cooling fan is turned off when it is running at 850 rev/min. It t...
 8.1PE: (a) Calculate the momentum of a 2000kg elephant charging a hunter ...
 8.2CQ: An object that has a small mass and an object that has a large mass...
 8.2PE: (a) What is the mass of a large ship that has a momentum of 1.60×10...
 8.21P: The tires of a car make 65 revolutions as the car reduces its speed...
 8.3CQ: Professional Application Football coaches advise players to block, ...
 8.3PE: (a) At what speed would a 2.00×104 kg airplane have to fly to have...
 8.4CQ: How can a small force impart the same momentum to an object as a la...
 8.23P: A person exerts a force of 55 N on the end of a door 74 cm wide. Wh...
 8.5CQ: Professional Application Explain in terms of impulse how padding re...
 8.24P: Calculate the net torque about the axle of the wheel shown in Fig. ...
 8.5PE: A runaway train car that has a mass of 15,000 kg travels at a speed...
 8.25P: (II) Two blocks, each of mass m, are attached to the ends of 3 mass...
 8.6CQ: While jumping on a trampoline, sometimes you land on your back and ...
 8.26P: The bolts on the cylinder head of an engine require tightening to a...
 8.6PE: The mass of Earth is 5.972×1024 kg and its orbital radius is an ave...
 8.27P: (I) Determine the moment of inertia of a 10.8kg sphere of radius 0...
 8.28P: Calculate the moment of inertia of a bicycle wheel 66.7 cm in diame...
 8.7PE: A bullet is accelerated down the barrel of a gun by hot gases produ...
 8.29P: A small 650gram ball on the end of a thin, light rod is rotated in...
 8.8CQ: Professional Application If you dive into water, you reach greater ...
 8.31P: Calculate the moment of inertia of the array of point objects shown...
 8.8PE: Professional Application A car moving at 10 m/s crashes into a tree...
 8.32P: (II) An oxygen molecule consists of two oxygen atoms whose total ma...
 8.9CQ: Under what circumstances is momentum conserved?
 8.33P: (II) To get a fiat, uniform cylindrical satellite spinning at the c...
 8.9PE: A person slaps her leg with her hand, bringing her hand to rest in ...
 8.34P: A grinding wheel is a uniform cylinder with a radius of 8.50 cm and...
 8.10PE: Professional Application A professional boxer hits his opponent wit...
 8.11PE: Professional Application Suppose a child drives a bumper car head o...
 8.12CQ: Professional Application Explain in terms of momentum and Newton’s ...
 8.12PE: Professional Application One hazard of space travel is debris left ...
 8.13PE: Professional Application A 75.0kg person is riding in a car moving...
 8.14CQ: Must the total energy of a system be conserved whenever its momentu...
 8.14PE: Professional Application Military rifles have a mechanism for reduc...
 8.15CQ: What is an elastic collision?
 8.15PE: A cruise ship with a mass of 1.00×107 kg strikes a pier at a speed ...
 8.16CQ: What is an inelastic collision? What is a perfectly inelastic colli...
 8.16PE: Calculate the final speed of a 110kg rugby player who is initially...
 8.17CQ: Mixedpair ice skaters performing in a show are standing motionless...
 8.17PE: Water from a fire hose is directed horizontally against a wall at a...
 8.18CQ: A small pickup truck that has a camper shell slowly coasts toward a...
 8.18PE: A 0.450kg hammer is moving horizontally at 7.00 m/s when it strike...
 8.19CQ: Figure 8.16 shows a cube at rest and a small object heading toward ...
 8.19PE: Starting with the definitions of momentum and kinetic energy, deriv...
 8.20CQ: Professional Application Suppose a fireworks shell explodes, breaki...
 8.20PE: A ball with an initial velocity of 10 m/s moves at an angle 60º abo...
 8.21CQ: Professional Application During a visit to the International Space ...
 8.21PE: When serving a tennis ball, a player hits the ball when its velocit...
 8.22CQ: Professional Application It is possible for the velocity of a rocke...
 8.22PE: A punter drops a ball from rest vertically 1 meter down onto his fo...
 8.23PE: Professional Application Train cars are coupled together by being b...
 8.24PE: Suppose a clay model of a koala bear has a mass of 0.200 kg and sli...
 8.25PE: Professional Application Consider the following question: A car mov...
 8.26PE: What is the velocity of a 900kg car initially moving at 30.0 m/s, ...
 8.27PE: A 1.80kg falcon catches a 0.650kg dove from behind in midair. Wha...
 8.28PE: Two identical objects (such as billiard balls) have a one dimension...
 8.29PE: Professional Application Two manned satellites approach one another...
 8.30PE: A 70.0kg ice hockey goalie, originally at rest, catches a 0.150kg...
 8.31PE: A 0.240kg billiard ball that is moving at 3.00 m/s strikes the bum...
 8.32PE: an ice show, a 60.0kg skater leaps into the air and is caught by a...
 8.33PE: Application Using mass and speed data from Example 8.1 and assuming...
 8.34PE: battleship that is 6.00×107 kg and is originally at rest fires a 11...
 8.35PE: Application Two manned satellites approaching one another, at a rel...
 8.36PE: Application A 30,000kg freight car is coasting at 0.850 m/s with n...
 8.37PE: Application Space probes may be separated from their launchers by e...
 8.38PE: 0.0250kg bullet is accelerated from rest to a speed of 550 m/s in ...
 8.39PE: Application One of the waste products of a nuclear reactor is pluto...
 8.40PE: Application The Moon’s craters are remnants of meteorite collisions...
 8.41PE: Professional Application Two football players collide headon in mi...
 8.42PE: What is the speed of a garbage truck that is 1.20×104 kg and is ini...
 8.43PE: During a circus act, an elderly performer thrills the crowd by catc...
 8.44PE: (a) During an ice skating performance, an initially motionless 80.0...
 8.45PE: Two identical pucks collide on an air hockey table. One puck was or...
 8.46PE: Confirm that the results of the example Example 8.7 to conserve mom...
 8.47PE: A 3000kg cannon is mounted so that it can recoil only in the horiz...
 8.48PE: Professional Application A 5.50kg bowling ball moving at 9.00 m/s ...
 8.49PE: Professional Application Ernest Rutherford (the first New Zealander...
 8.50PE: Professional Application Two cars collide at an icy intersection an...
 8.51PE: Starting with equations for conservation of momentum in the x  and...
 8.52PE: Integrated Concepts A 90.0kg ice hockey player hits a 0.150kg puc...
 8.53PE: Professional Application Antiballistic missiles (ABMs) are designed...
 8.54PE: Professional Application What is the acceleration of a 5000kg rock...
 8.55PE: Professional Application Calculate the increase in velocity of a 40...
 8.56PE: Professional Application Ionpropulsion rockets have been proposed ...
 8.57PE: Derive the equation for the vertical acceleration of a rocket.
 8.58PE: Professional Application (a) Calculate the maximum rate at which a ...
 8.59PE: Given the following data for a fire extinguishertoy wagon rocket e...
 8.60PE: How much of a singlestage rocket that is 100,000 kg can be anythin...
 8.61PE: Professional Application (a) A 5.00kg squid initially at rest ejec...
 8.62PE: Unreasonable Results Squids have been reported to jump from the oce...
 8.63PE: Construct Your Own an astronaut in deep space cut free from her spa...
 8.64PE: Construct Your Own an artillery projectile striking armor plating. ...
 8.4PE: Find the current when 2.00 nC jumps between your comb and hair over...
Solutions for Chapter 8: Physics: Principles with Applications 6th Edition
Full solutions for Physics: Principles with Applications  6th Edition
ISBN: 9780130606204
Solutions for Chapter 8
Get Full SolutionsThis textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. This expansive textbook survival guide covers the following chapters and their solutions. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. Since 192 problems in chapter 8 have been answered, more than 229291 students have viewed full stepbystep solutions from this chapter. Chapter 8 includes 192 full stepbystep solutions.

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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