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Chapter 1 1 Add The Following Lengths Each Obtained From
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 1 Representing Motion 1.1 Conceptual Questions 1) In the product A ∙ B ∙ C, A has 5 significant figures, B has 2 significant figures, and […]
Chapter 1 2 The Column Trajan Erected Rome
Copyright © 2015 Pearson Education, Inc. 41) A certain disk can store 600 megabytes of information. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk? A) 6.7 × 107 words B) […]
Chapter 10 1 Both Balls Will Reach The Ground With
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 10 Energy and Work 10.1 Conceptual Questions 1) Person X pushes twice as hard against a stationary brick wall as person Y. Which one of the […]
Chapter 10 2 An object hits a wall and bounces back with half of its original
Copyright © 2015 Pearson Education, Inc. 3) You carry a 7.0-kg bag of groceries above the ground at constant speed across a room. How much work do you do on the bag in the process? A) 0.00 J B) 82 […]
Chapter 10 3 What Was The Speed The Car Just
Copyright © 2015 Pearson Education, Inc. 80) As shown in the figure, a 4.0-kg block is moving at 5.0 m/s along a horizontal frictionless surface toward an ideal spring that is attached to a wall. After the block collides with […]
Chapter 11 1 A cyclic process is carried out on an ideal gas such
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 11 Using Energy 11.1 Conceptual Questions 1) Which two temperature changes are equivalent? A) 1 K = 1 F° B) 1 F° = 1 C° C) […]
Chapter 11 2 How Much Thermal Energy Exhausted Each Dayc
Copyright © 2015 Pearson Education, Inc. 37) A cylinder contains 10 moles of an ideal gas at a temperature of 300 K. The gas is compressed at constant pressure until the final volume equals 0.77 times the initial volume. The […]
Chapter 12 1 Avar 139 Ideal Gas Compressed Isobarically
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 12 Thermal Properties of Matter 12.1 Conceptual Questions 1) As shown in the figure, a bimetallic strip, consisting of metal G on the top and metal […]
Chapter 12 2 What maximum temperature rise would one expect
Copyright © 2015 Pearson Education, Inc. 28) A machine part consists of 0.10 kg of iron (of specific heat 470 J/kg ∙ K ) and 0.16 kg of copper (of specific heat 390 J/kg ∙ K). How much heat must […]
Chapter 12 3 How Manymoles Gas Are The Tank 831
Copyright © 2015 Pearson Education, Inc. 100) A rod, with sides insulated to prevent heat loss, has one end immersed in boiling water at 100°C and the other end in a water-ice mixture at 0°C. The rod has uniform cross-sectional […]
Chapter 13 1 A where The Water Pressure Greatest a Point Ab
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 13 Fluids 13.1 Conceptual Questions 1) Substance A has a density of 3 g/cm3 and substance B has a density of 4 g/cm3. In order to […]
Chapter 13 2 An object weighs 7.84 N when it is in air and
Copyright © 2015 Pearson Education, Inc. 26) A 12,000-N car is raised using a hydraulic lift, which consists of a U-tube with arms of unequal areas, filled with oil and capped at both ends with tight-fitting pistons. The wider arm […]
Chapter 14 1 The Period Increasesc The Period Decreasesd The
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 14 Oscillations 14.1 Conceptual Questions 1) If we double the frequency of a system undergoing simple harmonic motion, which of the following statements about that system […]
Chapter 14 2 The package is now displaced from its equilibrium
Copyright © 2015 Pearson Education, Inc. 22) An object oscillates such that its position x as a function of time t obeys the equation x = (0.222 m) sin(314 s-1 t), where t is in seconds. (a) In one period, […]
Chapter 15 1 Why does the intensity of waves from a small source
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 15 Traveling Waves and Sound 15.1 Conceptual Questions 1) What is the wavelength of the wave shown in the figure? A) 8 m. B) 4 m. […]
Chapter 15 2 You hear the sound intensity increase and then decrease periodically due to
Copyright © 2015 Pearson Education, Inc. 30) The average intensity of sunlight impinging on Earth is measured to be about 1.4 kW/m2. What is the power of sunlight emitted by the sun? (Earth-Sun distance = 1.5 × 108 km, Earth […]
Chapter 16 1 when Resonating Its Second Overtone What The
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 16 Superposition and Standing Waves 16.1 Conceptual Questions 1) When a guitar is tuned to adjust it pitch, what is it that is changed? A) The […]
Chapter 17 1 more widely spaced than when the apparatus is in air
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 17 Wave Optics 17.1 Conceptual Questions 1) A light beam has speed c in vacuum and speed v in a certain plastic. The index of refraction […]
Chapter 17 2 What The Smallest Microwave Frequency For Which
Copyright © 2015 Pearson Education, Inc. 35) Using monochromatic light of 410 nm wavelength, a single thin slit forms a diffraction pattern, with the first minimum at an angle of 40.0° from central maximum. The same slit, when illuminated by […]
Chapter 18 1 Pearson Education Inc40 Convex Lens Has Focal
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 18 Ray Optics 18.1 Conceptual Questions 1) Light enters air from water. The angle of refraction will be A) greater than the angle of incidence. B) […]
Chapter 18 2 A light beam is traveling inside a glass block that
Copyright © 2015 Pearson Education, Inc. 24) A light ray enters a glass enclosed fish tank. From air it enters the glass at 20° with respect to the plane of the surface and then emerges into the water. The index […]
Chapter 19 1 How Tall The Persons Image The Ccd
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 19 Optical Instruments 19.1 Conceptual Questions 1) The focal length of the lens of a simple digital camera is 40 mm, and it is originally focused […]
Chapter 19 2 You Have Available Lenses Focal
Copyright © 2015 Pearson Education, Inc. 46) The focal length of a magnifying glass is 15 cm. If the near point of a person is 25 cm, what is the angular magnification of the glass for this person when his […]
Chapter 2 1 Object Moving With Constant Nonzero
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 2 Motion in One Dimension 2.1 Conceptual Questions 1) Consider a deer that runs from point A to point B. The distance the deer runs can […]
Chapter 2 2 Avar 5055 Train Starts From Rest And
Copyright © 2015 Pearson Education, Inc. 20) A motorist makes a trip of 180 miles. For the first 90 miles she drives at a constant speed of 30 mph. At what constant speed must she drive the remaining distance if […]
Chapter 2 3 Car A decelerates Decreases Its Velocity Twice The
Copyright © 2015 Pearson Education, Inc. 83) A toy rocket is launched vertically from ground level at time t = 0 s. The rocket engine provides constant upward acceleration during the burn phase. At the instant of engine burnout, the […]
Chapter 20 1 A scuba diver is 1.2 m beneath the surface of
College Physics: A Strategic Approach, 3e (Knight) Chapter 20 Electric Fields and Forces 20.1 Conceptual Questions 1) Electrically neutral objects cannot exert an electrical force on each other, but they can exert a gravitational force on each other. A) True […]
Chapter 20 2 Two tiny particles carrying like charges of
4) If a charge generator builds a negative static charge of – how many electrons are transferred to it during this process. (e = 1.60 × 10-19 C) A) 4.38 × 1013 B) 7.0 C) 1.12 × 10-18 D) 43.8 […]
Chapter 21 1 Avar 136 When Dielectric Material Introduced Between
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 21 Electric Potential 21.1 Conceptual Questions 1) If the result of your calculation of a quantity has SI units kg ∙ m2/(s2 ∙ C), that quantity […]
Chapter 21 2 What work is required to bring
21 30) Point charges +4.00 μC and +2.00 μC are placed at the opposite corners of a rectangle as shown in the figure. What is the potential at point B due to these charges? (k = 1/4πε0 = 8.99 × […]
Chapter 22 1 The Longer Wire Has Times Times The
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 22 Current and Resistance 22.1 Conceptual Questions 1) If a quantity you calculated has units of A ∙ s, what is that quantity? A) potential B) […]
Chapter 22 2 15 What Potential Difference Required Cause 400
Copyright © 2015 Pearson Education, Inc. 15) What potential difference is required to cause 4.00 A to flow through a resistance of 330 Ω? A) 12.1 V B) 82.5 V C) 334 V D) 1320 V Answer: D Var: 2 […]
Chapter 23 1 The equivalent resistance is equal to average of the four
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 23 Circuits 23.1 Conceptual Questions 1) When two or more different capacitors are connected in series across a potential source, which of the following statements must […]
Chapter 23 2 What The Equivalent Resistance This Combination Bulbs
Copyright © 2015 Pearson Education, Inc. 17) Two capacitors are connected as shown in the figure, with C1 = 4.0 µF and C2 = 7.0 µF. If a voltage source V = 90 V is applied across the combination, find […]
Chapter 23 3 Multiloop Circuit Shown The Figure Find
Copyright © 2015 Pearson Education, Inc. 70) A 4.0-Ω resistor is connected with a 12–Ω resistor and this combination is connected across an ideal dc power supply with V = 6.0 V, as shown in the figure. When a total […]
Chapter 24 1 Vertical Wire Carries Current Straight
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 24 Magnetic Fields and Forces 24.1 Conceptual Questions 1) If you were to cut a small permanent bar magnet in half, A) one piece would be […]
Chapter 24 2 What The Magnitude The Magnetic Force Ita
Copyright © 2015 Pearson Education, Inc. 75) When you double the number of windings in an ideal solenoid while keeping all other parameters (radius, length and current) fixed, the magnetic field at the center of the solenoid will A) double. […]
Chapter 24 3 How Much Currentis Flowing Through The Wire
Copyright © 2015 Pearson Education, Inc. 47) In the figure, the rectangular loop is pivoted about one side (of length 0.060 m), that coincides with the y-axis. The end (length 0.020 m) of the loop that lies in the xz-plane […]
Chapter 25 1 The Bar Moving Upward Withvelocity Magnitude
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 25 EM Induction and EM Waves 25.1 Conceptual Questions 1) An object having a fixed emissivity of 0.725 radiates heat at a rate of 10 W […]
Chapter 25 2 A rectangular loop of wire that can rotate about an axis
Copyright © 2015 Pearson Education, Inc. 8) A flat circular loop of radius 0.10 m is rotating in a uniform magnetic field of 0.20 T. Find the magnetic flux through the loop when the plane of the loop and the […]
Chapter 25 3 Unpolarized Light Intensityis Incident The First Polarizera
Copyright © 2015 Pearson Education, Inc. 58) The distance between two asteroids is 1600 km. How much time does it take for a light signal to go from one asteroid to the other? (c = 3.0 × 108 m/s) A) […]
Chapter 26 1 The Primary Circuit Has 130 Windings And
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 26 AC Electricity 26.1 Conceptual Questions 1) A transformer is a device used to A) transform an alternating current into a direct current. B) transform a […]
Chapter 26 2 what is the rms value of the current in the
Copyright © 2015 Pearson Education, Inc. 50) The current through a 50-Ω resistor is I = (0.80 A) sin(240t), where t is measured in seconds. How much power on average is dissipated in the resistor? A) 16 W B) 32 […]
Chapter 27 1 A could be greater or smaller than TB depending on the direction
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 27 Relativity 27.1 Conceptual Questions 1) Which of the following are basic postulates of special relativity? (There could be more than one correct choice.) A) Nothing […]
Chapter 27 2 A spaceship approaching an asteroid at a speed of
Copyright © 2015 Pearson Education, Inc. 45) A spaceship is moving away from an asteroid with a speed of 0.80c relative to the asteroid. The spaceship then fires a missile with a speed of 0.50c relative to the spaceship. What […]
Chapter 28 1 The Lattice Spacing The Principal Bragg Planes
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 28 Quantum Physics 28.1 Conceptual Questions 1) Two sources emit beams of microwaves. The microwaves from source A have a frequency of 10 GHz, and the […]
Chapter 28 2 The Crystal Spacing 018 Nm And The
Copyright © 2015 Pearson Education, Inc. 30) A photocathode whose work function is 2.9 eV is illuminated with white light that has a continuous wavelength band from 400 nm to 700 nm. What is the range of the wavelength band […]
Chapter 29 1 What is the atomic number of a neutral atom that has
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 29 Atoms and Molecules 29.1 Conceptual Questions 1) To which of the following values of n does the longest wavelength in the Balmer series correspond? A) […]
Chapter 29 2 Express Your answers Units And For Each Case
Copyright © 2015 Pearson Education, Inc. 28) The longest wavelength of a photon that can be emitted by a hydrogen atom, for which the initial state is n = 3, is closest to which one of the following values? (c […]
Chapter 3 1 Trueb Falsec The Moon Not Accelerated Toward
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 3 Vectors and Motion in Two Dimensions 3.1 Conceptual Questions 1) If a vector pointing upward has a positive magnitude, a vector pointing downward has a […]
Chapter 3 2 espectively. Find the magnitude of the sum of these four vectors
Copyright © 2015 Pearson Education, Inc. 36) Two boys, Joe and Sam, who are searching for buried treasure start underneath the same tree. Joe walks 12 m east and then 12 m north, while Sam walks 15 m west and […]
Chapter 3 3 The ball leaves her hand 1.0 m above the ground.
Copyright © 2015 Pearson Education, Inc. 84) A boy throws a ball with an initial velocity of 25 m/s at an angle of 30° above the horizontal. If air resistance is negligible, how high above the projection point is the […]
Chapter 30 1 The Activities Cannot Compared Without More Information
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 30 Nuclear Physics 30.1 Conceptual Questions 1) Write the standard nuclear notation for the following nuclei: hydrogen-2, sulfur-33, and lead- 207. Answer: H, S, Pb Var: […]
Chapter 30 2 How long ago did the rock solidify?
Copyright © 2015 Pearson Education, Inc. 14) Radium-226 decays into radon-222 plus an alpha particle. The relevant masses are He: 4.002603 u Rn: 222.017570 u Ra: 226.025402 u How much energy is released in this process? (1 u = 931.5 […]
Chapter 30 3 Such Particle Rest Decays Into Two gamma ray
Copyright © 2015 Pearson Education, Inc. 67) The half-life of radioactive iodine-137 is 8.0 days. How many iodine nuclei are necessary to produce an activity of 1.0 μCi? (1 Ci = 3.70 × 1010 Bq) A) 2.9 × 109 B) […]
Chapter 4 1 If the rockets of a spaceship in outer space
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 4 Forces and Newton’s Laws of Motion 4.1 Conceptual Questions 1) In a collision between a huge SUV and a small hybrid car, the SUV exerts […]
Chapter 5 1 Evar 116 Block Mass Sits Rest Rough
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 5 Applying Newton’s Laws 5.1 Conceptual Questions 1) In the figure, a 10-lb weight is suspended from two spring scales, each of which has negligible weight. […]
Chapter 5 2 Avar 3143 During Hockey Game Puck Given
Copyright © 2015 Pearson Education, Inc. 17) A 10-kg sign is held by two ropes as shown in the figure. What is the tension on rope A? A) 44 N B) 69 N C) 72 N D) 88 N E) […]
Chapter 6 1 This happens because an outward force balances the pull of
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 6 Gravity 6.1 Conceptual Questions 1) You are making a circular turn in your car on a horizontal road when you hit a big patch of […]
Chapter 6 2 She Also Knows That The Radius Z49
Copyright © 2015 Pearson Education, Inc. 29) What is the gravitational force acting on a 59-kg person due to another 59-kg person standing 2.0 m away? We can model each person as a small sphere. (G = 6.67 × 10-11 […]
Chapter 7 1 Earth How Far The Moon From Earthanswer
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 7 Rotational Motion 7.1 Conceptual Questions 1) There must be equal amounts of mass on both sides of the center of mass (or center of gravity) […]
Chapter 7 2 In the figure, a weightlifter’s barbell consists of two identical
Copyright © 2015 Pearson Education, Inc. 47) A wheel rotates through an angle of 13.8 rad as it slows down uniformly from 22.0 rad/s to 13.5 rad/s. What is the magnitude of the angular acceleration of the wheel? A) 0.616 […]
Chapter 8 1 If all the wires have the same diameter
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 8 Equilibrium ad Elasticity 8.1 Conceptual Questions 1) If the sum of the external forces on an object is zero, then the sum of the external […]
Chapter 8 2 The ladder is not completely uniform
Copyright © 2015 Pearson Education, Inc. 28) A mobile is shown in the figure. The horizontal supports have negligible mass. Assume that all the numbers given in the figure are accurate to two significant figures. What mass M is required […]
Chapter 9 1 Three Objects Are Moving Along Straight Line
Copyright © 2015 Pearson Education, Inc. College Physics: A Strategic Approach, 3e (Knight) Chapter 9 Momentum 9.1 Conceptual Questions 1) A rubber ball and a lump of clay have equal mass. They are thrown with equal speed against a wall. […]
Chapter 9 2 If the hose delivers 40 kg of water per second,
Copyright © 2015 Pearson Education, Inc. 33) A super dart of mass 20 g, traveling at 350 m/s, strikes a steel plate at an angle of 30° with the plane of the plate, as shown in the figure. It bounces […]