 8.1: The work done by a conservative force is indicated in Figure 814 fo...
 8.2: Calculate the work done by gravity as a 3.2kg object is moved from...
 8.3: Calculate the work done by friction as a 3.7kg box is slid along a...
 8.4: A4.1kg block is attached to a spring with a force constant of 550 ...
 8.5: (a)Calculate the work done by gravity as a 5.2kg object is moved f...
 8.6: In the system shown in Figure 817, suppose the block has a mass of ...
 8.7: Predict/Explain Ball 1 is thrown to the ground with an initial down...
 8.8: Amass is attached to the bottom of a vertical spring. This causes t...
 8.9: As an Acapulco cliff diver drops to the water from a height of 46 m...
 8.10: Find the gravitational potential energy of an 88kg person standing...
 8.11: Jeopardy! Contestants on the game show Jeopardy! depress springloa...
 8.12: The Wing of the HawkmothExperiments performed on the wing of a hawk...
 8.13: Avertical spring stores 0.962 J in spring potential energy when a 3...
 8.14: Pushing on the pump of a soap dispenser compresses a small spring. ...
 8.15: A force of 4.1 N is required to stretch a certain spring by 1.4 cm....
 8.16: The work required to stretch a certain spring from an elongation of...
 8.17: A 0.33kg pendulum bob is attached to a string 1.2 m long. What is ...
 8.18: You throw a ball upward and let it fall to the ground. Your friend ...
 8.19: Suppose the situation described in Conceptual Checkpoint 82 is repe...
 8.20: When a ball of mass m is dropped from rest from a height h, its kin...
 8.21: When a ball of mass m is dropped from rest from a height h, its spe...
 8.22: For an object moving along the xaxis, the potential energy of the f...
 8.23: Referring to 22, suppose the object is released from rest at a poin...
 8.24: At an amusement park, a swimmer uses a water slide to enter the mai...
 8.25: In the previous problem, nd the swimmers speed at the bottom of the...
 8.26: Aplayer passes a 0.600kg basketball downcourt for a fast break. Th...
 8.27: Three balls are thrown upward with the same initial speed , but at ...
 8.28: In a tennis match, a player wins a point by hitting the ball sharpl...
 8.29: A0.21kg apple falls from a tree to the ground, 4.0 m below. Ignori...
 8.30: A 2.9kg block slides with a speed of 1.6 m/s on a frictionless hor...
 8.31: A0.26kg rock is thrown vertically upward from the top of a cliff t...
 8.32: A 1.40kg block slides with a speed of 0.950 m/s on a frictionless ...
 8.33: A5.76kg rock is dropped and allowed to fall freely. Find the initi...
 8.34: Suppose the pendulum bob in Figure 820 has a mass of 0.33 kg and is...
 8.35: In the previous problem, (a) what is the bobs kinetic energy at poi...
 8.36: The two masses in the Atwoods machine shown in Figure 823 are initi...
 8.37: In the previous problem, suppose the masses have an initial speed o...
 8.38: You coast up a hill on your bicycle with decreasing speed. Your fri...
 8.39: On reentry, the space shuttles protective heat tiles become extreme...
 8.40: Catching a wave, a 77kg surfer starts with a speed of 1.3 m/s, dro...
 8.41: At a playground, a 19kg child plays on a slide that drops through ...
 8.42: Starting at rest at the edge of a swimming pool, a 72.0kg athlete ...
 8.43: A 17,000kg airplane lands with a speed of 82 m/s on a stationary a...
 8.44: The driver of a 1300kg car moving at 17 m/s brakes quickly to 11 m...
 8.45: You ride your bicycle down a hill, maintaining a constant speed the...
 8.46: Suppose the system in Example 810 starts with moving downward with ...
 8.47: A42.0kg seal at an amusement park slides from rest down a ramp int...
 8.48: A 1.9kg rock is released from rest at the surface of a pond 1.8 m ...
 8.49: A1250kg car drives up a hill that is 16.2 m high. During the drive...
 8.50: An 81.0kg inline skater does of nonconservative work by pushing a...
 8.51: In Example 810, suppose the two masses start from rest and are movi...
 8.52: A 15,800kg truck is moving at 12.0 m/s when it starts down a 6.00 ...
 8.53: A 1.80kg block slides on a rough horizontal surface. The block hit...
 8.54: Figure 824 shows a potential energy curve as a function of x. In qu...
 8.55: An object moves along the xaxis, subject to the potential energy sh...
 8.56: A1.34kg object moves along the xaxis, subject to the potential ene...
 8.57: A23kg child swings back and forth on a swing suspended by 2.5mlo...
 8.58: Fing the turningpoint angles in the previous problem if the child ...
 8.59: The potential energy of a particle moving along the x axis is shown...
 8.60: Ablock of mass is connected to a spring of force constant on a smoo...
 8.61: Aball of mass is thrown straight upward with an initial speed of 8....
 8.62: Two blocks, each of mass m, are connected on a frictionless horizon...
 8.63: You and a friend both solve a problem involving a skier going down ...
 8.64: Aparticle moves under the inuence of a conservative force. At point...
 8.65: Aleaf falls to the ground with constant speed. Is for this system g...
 8.66: Consider the twoblock system shown in Example 810. (a) As block 2 ...
 8.67: Taking a leap of faith, a bungee jumper steps off a platform and fa...
 8.68: Asled slides without friction down a small, icecovered hill. If th...
 8.69: In the previous problem, what is the height of the hill?
 8.70: A 68kg skier encounters a dip in the snows surface that hasa circu...
 8.71: Running Shoes The soles of a popular make of running shoe have a fo...
 8.72: Nasal Strips The force required to ex a nasal strip and apply it to...
 8.73: Apendulum bob with a mass of 0.13 kg is attached to a string with a...
 8.74: Suppose the pendulum bob in Figure 820 has a mass of 0.25 kg. (a) H...
 8.75: An 1865kg airplane starts at rest on an airport runway at sea leve...
 8.76: At the local playground a child on a swing has a speed of 2.02 m/s ...
 8.77: The water slide shown in Figure 826 ends at a height of 1.50 m abov...
 8.78: If the height of the water slide in Figure 826 is , and the persons...
 8.79: A person is to be released from rest on a swing pulled away from th...
 8.80: Acar is coasting without friction toward a hill of height h and rad...
 8.81: Askateboarder starts at point Ain Figure 827 and rises to a height ...
 8.82: In the Atwoods machine of 36, the mass remains at rest once it hits...
 8.83: An 8.70kg block slides with an initial speed of 1.56 m/s up a ramp...
 8.84: Repeat the previous problem for the case of an 8.70kg block slidin...
 8.85: Jeff of the Jungle swings on a 7.6m vine that initially makes an a...
 8.86: A1.9kg block slides down a frictionless ramp, as shown in Figure 8...
 8.87: Suppose the ramp in Figure 828is not frictionless. Find the distanc...
 8.88: Compressing the GroundArunning track at Harvard University uses a s...
 8.89: A Fleas Jump The resilin in the upper leg (coxa) of a ea has a forc...
 8.90: Atrapeze artist of mass m swings on a rope of length L. Initially, ...
 8.91: Tension at the BottomAball of mass m is attached to a string of len...
 8.92: In Figure 829, suppose that and . (a)Find the maximum angle the str...
 8.93: An ice cube is placed on top of an overturned spherical bowl of rad...
 8.94: The two blocks shown in Figure 831are moving with an initial speed ...
 8.95: Consider the system shown in Figure 831. (a) What initial speed v i...
 8.96: LooptheLoop(a)Ablock of mass mslides from rest on a frictionless ...
 8.97: Figure 833shows a 1.75kg block at rest on a ramp of height h. When...
 8.98: In Figure 834a 1.2kg block is held at rest against a spring with a...
 8.99: Using Work and Energy to Calculate Tension Consider the Atwoods mac...
 8.100: Treating the model wing as an ideal spring, what is the force const...
 8.101: What is the force constant of the hindwing when a force is applied ...
 8.102: Which of the wings is stiffer? A. The hindwing. B. The forewing. C....
 8.103: How much energy is stored in the forewing when a force at the tip d...
 8.104: Referring to Example 88 Consider a spring with a force constant of ...
 8.105: Referring to Example 88 Suppose the block is released from rest wit...
 8.106: Referring to Example 810 Suppose we would like the landing speed of...
Solutions for Chapter 8: Physics 4th Edition
Full solutions for Physics  4th Edition
ISBN: 9780321611116
Solutions for Chapter 8
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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