 7.39P: It takes 180 J of work to compress a certain spring 0.15 m. (a) Wha...
 7.1CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.1P: The International Space Station orbits the Earth in an approximatel...
 7.2CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.2P: A pendulum bob swings from point I to point II along the circular a...
 7.3CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.3P: A pendulum bob swings from point II to point III along the circular...
 7.4CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.4P: A farmhand pushes a 26kg bale of hay 3.9 m across the floor of a b...
 7.5CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.5P: Children in a tree house lift a small dog in a basket 4.70 m up to ...
 7.6CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.6P: Early one October, you go to a pumpkin patch to select your Hallowe...
 7.7CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.7P: The coefficient of kinetic friction between a suitcase and the floo...
 7.8CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.8P: You pick up a 3.4kg can of paint from the ground and lift it to a ...
 7.9CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.9P: A tow rope, parallel to the water, pulls a water skier directly beh...
 7.10CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.10P: In the situation described in the previous problem, (a) is the work...
 7.11CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.11P: A child pulls a friend in a little red wagon with constant speed. I...
 7.12CQ: (Answers to odd numbered Conceptual Questions can be found in the b...
 7.12P: A 51kg packing crate is pulled with constant speed across a rough ...
 7.13P: To clean a floor, a janitor pushes on a mop handle with a force of ...
 7.14P: A small plane tows a glider at constant speed and altitude. If the ...
 7.15P: A young woman on a skateboard is pulled by a rope attached to a bic...
 7.16P: To keep her dog from running away while she talks to a friend, Susa...
 7.17P: Water skiers often ride to one side of the centerline of a boat, as...
 7.18P: A pitcher throws a ball at 90 mi /h and the catcher stops it in her...
 7.19P: How much work is needed for a 73kg runner to accelerate from rest ...
 7.20P: Skylab’s Reentry When Skylab reentered the Earth’s atmosphere on Ju...
 7.21P: A 9.50g bullet has a speed of 1.30 km/s. (a) What is its kinetic e...
 7.22P: The work W0 accelerates a car from 0 to 50 km/h. (a) Is the work re...
 7.23P: Jogger A has a mass m and a speed v, jogger B has a mass m/2 and a ...
 7.24P: A 0.14kg pinecone falls 16 m to the ground, where it lands with a ...
 7.25P: In the previous problem, (a) how much work was done on the pine con...
 7.26P: At t = 1.0 s, a 0.40kg object is falling with a speed of 6.0 m/s. ...
 7.27P: After hitting a long fly ball that goes over the right fielder’s he...
 7.28P: A 1100kg car coasts on a horizontal road with a speed of 19 m/s. A...
 7.29P: (a) In the previous problem, the car’s speed decreased by 7.0 m/s a...
 7.30P: A 65kg bicyclist rides his 8.8kg bicycle with a speed of 14 m/s. ...
 7.31P: A block of mass m and speed v collides with a spring, compressing i...
 7.32P: A spring with a force constant of 3.5 × 104 N/m is initially at its...
 7.33P: A 1.2kg block is held against a spring of force constant 1.0 × 104...
 7.34P: Initially sliding with a speed of 2.2 m/s, a 1.8kg block collides ...
 7.35P: The force shown in Figure moves an object from x = 0 to x = 0.75 m....
 7.36P: An object is acted on by the force shown in Figure. What is the fin...
 7.37P: CE A block of mass m and speed v collides with a spring, compressin...
 7.38P: To compress spring 1 by 0.20 m takes 150 J of work. Stretching spri...
 7.40P: The force shown in Figure acts on a 1.7kg object whose initial spe...
 7.41P: A block is acted on by a force that varies as (2.0 × 104 N/m)x for ...
 7.42P: CE Force F1 does 5 J of work in 10 seconds, force F2 does 3 J of wo...
 7.43P: Climbing the Empire State Building A new record for running the sta...
 7.44P: How many joules of energy are in a kilowatthour?
 7.45P: Calculate the power output of a 1.4g fly as it walks straight tip ...
 7.46P: An ice cube is placed in a microwave oven. Suppose the oven deliver...
 7.47P: You raise a bucket of water from the bottom of a deep well. If your...
 7.48P: In order to keep a leaking ship from sinking, it is necessary to pu...
 7.49P: A kayaker paddles with a power output of 50.0 W to maintain a stead...
 7.50P: HumanPowered Flight Humanpowered aircraft require a pilot to peda...
 7.51P: A grandfather clock is powered by the descent of a 4.35kg weight. ...
 7.52P: The Power You Produce Estimate the power you produce in running up ...
 7.53P: A certain car can accelerate from rest to the speed v in T seconds....
 7.54GP: As the three small sailboats shown in Figure drift next to a dock, ...
 7.55GP: A youngster rides on a skateboard with a speed of 2 m/s. After a fo...
 7.56GP: Predict/Explain A car is accelerated by a constant force, F. The di...
 7.57GP: Car 1 has four times the mass of car 2, but they both have the same...
 7.58GP: Muscle Cells Biological muscle cells can be thought of as nanomotor...
 7.59GP: When you take a bite out of an apple, you do about 19 J of work. Es...
 7.60GP: A Mountain bar has a mass of 0.045 kg and a calorie rating of 210 C...
 7.61GP: A small motor runs a lift that raises a load of bricks weighing 836...
 7.62GP: You push a 67kg box across a floor where the coefficient of kineti...
 7.63GP: The Beating Heart The average power output of the human heart is 1....
 7.64GP: The Atmos Clock The Atmos clock (the socalled perpetual motion clo...
 7.65GP: The work W0 is required to accelerate a car from rest to the speed ...
 7.66GP: A work W0 is required to stretch a certain spring 2 cm from its equ...
 7.67GP: After a tornado, a 0.55g straw was found embedded 2.3 cm into the ...
 7.68GP: You throw a glove straight upward to celebrate a victory. Its initi...
 7.69GP: The water skier in Figure is at an angle of 35° with respect to the...
 7.70GP: A sled with a mass of 5.80 kg is pulled along the ground through a ...
 7.71GP: A 0.19kg apple falls from a branch 3.5 m above the ground. (a) Doe...
 7.72GP: A juggling ball of mass m is thrown straight upward from an initial...
 7.73GP: The force shown in Figure acts on an object that moves along the x ...
 7.74GP: Calculate the power output of a 1.8g spider as it walks up a windo...
 7.75GP: The motor of a ski boat produces a power of 36,600 W to maintain a ...
 7.76GP: Cookie Power To make a batch of cookies, you mix half a bag of choc...
 7.77GP: A pitcher accelerates a 0.14kg hardball from rest to 42.5 m/s in 0...
 7.78GP: Catapult Launcher A catapult launcher on an aircraft carrier accele...
 7.79GP: Brain Power The human brain consumes about 22 W of power under norm...
 7.80GP: A 1300kg car delivers a constant 49 hp to the drive wheels. We ass...
 7.81GP: Meteorite On October 9, 1992, a 27pound meteorite struck a car in ...
 7.82GP: Powering a Pigeon A pigeon in flight experiences a force of air res...
 7.83GP: Springs in Series Two springs, with force constants k1 and k2, are ...
 7.84GP: Springs in Parallel Two springs, with force constants k1 and k2, ar...
 7.85GP: A block rests on a horizontal frictionless surface. A string is att...
 7.86PP: Microraptor gui: The Biplane DinosaurThe evolution of flight is a s...
 7.87PP: Microraptor gui: The Biplane DinosaurThe evolution of flight is a s...
 7.88PP: Microraptor gui: The Biplane DinosaurThe evolution of flight is a s...
 7.89PP: Microraptor gui: The Biplane DinosaurThe evolution of flight is a s...
 7.90IP: Referring to Figure Suppose the block has a mass of 1.4 kg and an i...
 7.91IP: Referring to Figure 712 In the situation shown in Figure (d), a sp...
 7.92IP: Referring to Example 78 Suppose the car has a mass of 1400 kg and ...
Solutions for Chapter 7: Physics with MasteringPhysics 4th Edition
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ISBN: 9780321541635
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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