 9.1: Referring to Exercise 91, what speed must the baseball have if its ...
 9.2: Find the total momentum of the birds in Example 91 if the goose rev...
 9.3: A 26.2kg dog is running northward at 2.70 m/s, while a 5.30kg cat...
 9.4: Two airtrack carts move toward one another on an air track. Cart 1...
 9.5: A0.150kg baseball is dropped from rest. If the magnitude of the ba...
 9.6: A 285g ball falls vertically downward, hitting the oor with a spee...
 9.7: Object 1 has a mass and a velocity . Object 2 has a mass and a velo...
 9.8: Your car rolls slowly in a parking lot and bangs into the metal bas...
 9.9: A net force of 200 N acts on a 100kg boulder, and a force of the s...
 9.10: Predict/ExplainReferring to the previous question, (a)is the change...
 9.11: Afriend tosses a ball of mass m to you with a speed v. When you cat...
 9.12: Force A has a magnitude F and acts for the time , force B has a mag...
 9.13: Find the magnitude of the impulse delivered to a soccer ball when a...
 9.14: In a typical golf swing, the club is in contact with the ball for a...
 9.15: A0.50kg croquet ball is initially at rest on the grass. When the b...
 9.16: When spiking a volleyball, a player changes the velocity of the bal...
 9.17: A15.0g marble is dropped from rest onto the oor 1.44 m below. (a) ...
 9.18: To make a bounce pass, a player throws a 0.60kg basketball toward ...
 9.19: A0.14kg baseball moves toward home plate with a velocity . After s...
 9.20: Aplayer bounces a 0.43kg soccer ball off her head, changing the ve...
 9.21: In a situation similar to Example 93, suppose the speeds of the two...
 9.22: Two ice skaters stand at rest in the center of an ice rink. When th...
 9.23: Suppose the bee in Active Example 92 has a mass of 0.175 g. If the ...
 9.24: An object initially at rest breaks into two pieces as the result of...
 9.25: A92kg astronaut and a 1200kg satellite are at rest relative to th...
 9.26: An 85kg lumberjack stands at one end of a 380kg oating log, as sh...
 9.27: A plate drops onto a smooth oor and shatters into three pieces of e...
 9.28: A cart of mass m moves with a speed v on a frictionless air track a...
 9.29: Suppose the car in Example 96 has an initial speed of 20.0 m/s and ...
 9.30: Two 72.0kg hockey players skating at 5.45 m/s collide and stick to...
 9.31: (a)Referring to Exercise 92, is the nal kinetic energy of the car a...
 9.32: A bullet with a mass of 4.0 g and a speed of 650 m/s is red at a bl...
 9.33: A 0.420kg block of wood hangs from the ceiling by a string, and a ...
 9.34: A0.430kg block is attached to a horizontal spring that is at its e...
 9.35: Two objects moving with a speed vtravel in opposite directions in a...
 9.36: The collision between a hammer and a nail can be considered to be a...
 9.37: A 732kg car stopped at an intersection is rearended by a 1720kg ...
 9.38: Suppose you throw a rubber ball at an elephant that is charging dir...
 9.39: Acharging bull elephant with a mass of 5240 kg comes directly towar...
 9.40: Moderating a Neutron In a nuclear reactor, neutrons released by nuc...
 9.41: In the appleorange collision in Example 97, suppose the nal veloci...
 9.42: The three air carts shown in Figure 916have masses, reading from le...
 9.43: In this problem we show that when one ball is pulled to the left in...
 9.44: Astalactite in a cave has drops of water falling from it to the cav...
 9.45: Find the x coordinate of the center of mass of the bricks shown in ...
 9.46: You are holding a shopping basket at the grocery store with two 0.5...
 9.47: EarthMoon Center of Mass The Earth has a mass of , the Moon has a m...
 9.48: Apiece of sheet metal of mass M is cut into the shape of a right tr...
 9.49: Apencil standing upright on its eraser end falls over and lands on ...
 9.50: Acardboard box is in the shape of a cube with each side of length L...
 9.51: The location of the center of mass of the partially eaten, 12inch...
 9.52: The Center of Mass of Sulfur Dioxide Sulfur dioxide consists of two...
 9.53: Three uniform metersticks, each of mass m, are placed on the oor as...
 9.54: A 0.726kg rope 2.00 meters long lies on a oor. You grasp one end o...
 9.55: Repeat the previous problem, this time lowering the rope onto a oor...
 9.56: Consider the system shown in Figure 921. Assume that after the stri...
 9.57: A metal block of mass m is attached to the ceiling by a spring. Con...
 9.58: Helicopter Thrust During a rescue operation, a 5300kg helicopter h...
 9.59: Rocks for a Rocket Engine A child sits in a wagon with a pile of 0....
 9.60: A 57.8kg person holding two 0.880kg bricks stands on a 2.10kg sk...
 9.61: In the previous problem, calculate the nal speed of the person and ...
 9.62: A0.540kg bucket rests on a scale. Into this bucket you pour sand a...
 9.63: Holding a long rope by its upper end, you lower it onto a scale. Th...
 9.64: Object Ahas a mass m, object B has a mass 2m, and object C has a ma...
 9.65: Object Ahas a mass m, object B has a mass 4m, and object C has a ma...
 9.66: Predict/Explain A block of wood is struck by a bullet. (a) Is the b...
 9.67: A juggler performs a series of tricks with three bowling balls whil...
 9.68: A72.5kg tourist climbs the stairs to the top of the Washington Mon...
 9.69: Predict/Explain Figure 923 shows a block of mass 2m at rest on a ho...
 9.70: Acar moving with an initial speed v collides with a second stationa...
 9.71: A1.35kg block of wood sits at the edge of a table, 0.782 m above t...
 9.72: The carton of eggs shown in Figure 924 is lled with a dozen eggs, e...
 9.73: The Force of a Storm During a severe storm in Palm Beach, FL, on Ja...
 9.74: An apple that weighs 2.7 N falls vertically downward from rest for ...
 9.75: To balance a 35.5kg automobile tire and wheel, a mechanic must pla...
 9.76: Ahoop of mass M and radius R rests on a smooth, level surface. The ...
 9.77: A63kg canoeist stands in the middle of her 22kg canoe. The canoe ...
 9.78: In the previous problem, suppose the canoeist is 3.4 m from shore w...
 9.79: Referring to 56, nd the reading on the scale (a)before and (b) afte...
 9.80: A young hockey player stands at rest on the ice holding a 1.3kg he...
 9.81: Suppose the air carts in Example 99 are both moving to the right in...
 9.82: Along, uniform rope with a mass of 0.135 kg per meter lies on the g...
 9.83: The Center of Mass of Water Find the center of mass of a water mole...
 9.84: The three air carts shown in Figure 927 have masses, reading from l...
 9.85: A reworks rocket is launched vertically into the night sky with an ...
 9.86: The total momentum of two cars approaching an intersection is . (a)...
 9.87: Unlimited Overhang Four identical textbooks, each of length L, are ...
 9.88: Consider a onedimensional, headon elastic collision. One object h...
 9.89: Two air carts of mass and are placed on a frictionless track. Cart ...
 9.90: Golden Earrings and the Golden Ratio Apopular earring design featur...
 9.91: Two objects with masses and and initial velocities and move along a...
 9.92: Amplied Rebound Height Two small rubber balls are dropped from rest...
 9.93: On a cold winter morning, a child sits on a sled resting on smooth ...
 9.94: An object of mass m undergoes an elastic collision with an identica...
 9.95: Weighing a Block on an InclineAwedge of mass is rmly attached to th...
 9.96: Auniform rope of length L and mass M rests on a table. (a) If you l...
 9.97: From the perspective of an observer on the planet, what is the spac...
 9.98: From the perspective of an observer on the planet, what is the spac...
 9.99: Set the speed of departure from equal to the speed of approach from...
 9.100: Consider the special case in which vi u. By what factor does the ki...
 9.101: Referring to Example 95 Suppose a bullet of mass is red into a ball...
 9.102: Referring to Example 95 A bullet with a mass and an initial speed i...
 9.103: Referring to Example 99Suppose that cart 1 has a mass of 3.00 kg an...
 9.104: Referring to Example 99 Suppose the two carts have equal masses and...
Solutions for Chapter 9: Physics 4th Edition
Full solutions for Physics  4th Edition
ISBN: 9780321611116
Solutions for Chapter 9
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Solutions for Chapter 9
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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