
Course Introduction
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Course Introduction
College Physics covers the fundamental principles of physics with a focus on real-world applications and conceptual understanding. Students will explore classical mechanics, thermodynamics, waves, optics, electricity, magnetism, and an introduction to modern physics. The course emphasizes problem-solving skills and practical experiments to reinforce theoretical concepts, providing a solid foundation for students in the sciences and allied health fields. No prior knowledge of calculus is required, making it accessible to a wide range of students seeking to understand how physical laws govern everyday phenomena.
Recommended Textbook
Physics 10th Edition by John D. Cutnell
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10 Chapters
662 Verified Questions
662 Flashcards
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65 Verified Questions
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Sample Questions
Q1) A curtain hangs straight down in front of an open window.A sudden gust of wind blows past the window;and the curtain is pulled out of the window.Which law,principle,or equation can be used to explain this movement of the curtain?
A)Poiseuille's law
B)Bernoulli's equation
C)the equation of continuity
D)Archimedes' principle
E)Pascal's principle
Answer: B
Q2) Which one of the following statements concerning the buoyant force on an object submerged in a liquid is true?
A)The buoyant force depends on the mass of the object.
B)The buoyant force depends on the weight of the object.
C)The buoyant force is independent of the density of the liquid.
D)The buoyant force depends on the volume of the liquid displaced.
E)The buoyant force will increase with depth if the liquid is incompressible.
Answer: D
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Sample Questions
Q1) A blue supergiant star has a radius of 7.4 × 10¹ m.The spherical surface behaves as a blackbody radiator.If the surface temperature is 2.4 × 10 K,what is the rate at which energy is radiated from the star?
A)1.2 × 10³ J/s
B)9.4 × 10¹ J/s
C)2.0 × 10²³ J/s
D)8.2 × 10³² J/s
E)1.3 × 10³³ J/s
Answer: E
Q2) Which one of the following statements concerning emissivity is false?
A)The emissivity is 1.0 for a perfect radiator.
B)The emissivity is 1.0 for a perfect absorber.
C)Emissivity depends on the condition of the surface.
D)Emissivity is a dimensionless quantity.
E)Emissivity depends on the surface area of the object.
Answer: E
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Sample Questions
Q1) How many molecules are in 0.044 kg of carbon dioxide,CO ? (atomic masses: C = 12 u;O = 16 u)
A)3
B)44
C)2.20 × 10²
D)6.02 × 10²³
E)3.85 × 10²
Answer: D
Q2) Neon gas at 305 K is confined within a constant volume at a pressure P .If the gas has a pressure P when it is cooled to 125 K,what is the ratio of P to P ?
A)0.410
B)0.639
C)0.717
D)1.56
E)2.44
Answer: A
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Sample Questions
Q1) What is the minimum amount of electrical energy required by the refrigerator to carry out this process if it operates between reservoirs at temperatures of 20.0 °C and -20.0 °C?
A)63 000 J
B)77 000 J
C)87 000 J
D)348 000 J
E)549 000 J
Q2) How much work,in calories,was done by the gas?
A)zero calories
B)+12 cal
C)-110 cal
D)+110 cal
E)+121 cal
Q3) Determine the Carnot efficiency of this engine.
A)0.15
B)0.34
C)0.50
D)0.67
E)0.81
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Sample Questions
Q1) Two identical tuning forks vibrate at 587 Hz.After a small piece of clay is placed on one of them,eight beats per second are heard.What is the period of the tuning fork that holds the clay?
A)1.68 × 10<sup>-</sup>³ s
B)1.70 × 10<sup>-</sup>³ s
C)1.73 × 10<sup>-</sup>³ s
D)1.76 × 10<sup>-</sup>³ s
E)1.80 × 10<sup>-</sup>³ s
Q2) A pebble is dropped in a lake;and it produces ripples with a frequency of 0.50 Hz.When should a second pebble be dropped at the same place to produce destructive interference?
A)0.50 s after the first
B)0.75 s after the first
C)1.0 s after the first
D)1.5 s after the first
E)2.0 s after the first
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Sample Questions
Q1) Which one of the following statements concerning resistors in series is true?
A)The voltage across each resistor is the same.
B)The current through each resistor is the same.
C)The power dissipated by each resistor is the same.
D)The rate at which charge flows through each resistor depends on its resistance.
E)The total current through the resistors is the sum of the current through each resistor.
Q2) Which one of the following statements concerning capacitors of unequal capacitance connected in series is true?
A)Each capacitor holds a different amount of charge.
B)The equivalent capacitance of the circuit is the sum of the individual capacitances.
C)The total voltage supplied by the battery is the sum of the voltages across each capacitor.
D)The total positive charge in the circuit is the sum of the positive charges on each capacitor.
E)The total voltage supplied by the battery is equal to the average voltage across all the capacitors.
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Sample Questions
Q1) What is the direction of the magnetic field?
A)to the left
B)to the right
C)out of the paper
D)into the paper
E)toward the top of the page
Q2) A circular copper loop is placed perpendicular to a uniform magnetic field of 0.75
T.Due to external forces,the area of the loop decreases at a rate of 7.26 × 10<sup>-</sup>³ m²/s.Determine the induced emf in the loop.
A)3.1 × 10<sup>-</sup> V
B)6.3 × 10<sup>-</sup> V
C)1.2 × 10<sup>-</sup>³ V
D)5.4 × 10<sup>-</sup>³ V
E)3.1 V
Q3) What is the current in the transmission line from the plant to the substation?
A)3.8 A
B)5.2 A
C)6.4 A
D)7.0 A
E)7.5 A
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Sample Questions
Q1) Which one of the following phrases most accurately describes the term wave front?
A)the surface of a plane mirror
B)the surface of a convex mirror
C)a surface upon which a wave is incident
D)a surface of constant phase within a wave
E)a surface that is parallel to the direction of wave propagation
Q2) A dime is placed in front of a concave mirror that has a radius of curvature R = 0.30 m.The image of the dime is inverted and three times the size of the dime.Determine the distance between the dime and the mirror.
A)0.20 m
B)0.15 m
C)0.10 m
D)0.60 m
E)0.45 m
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Sample Questions
Q1) The leg of a spider is 0.2 cm long.When viewed through a microscope,a person with a near point of 25 cm sees an image 2 m long located 10 m away.What is the angular magnification?
A)25
B)50
C)100
D)250
E)1000
Q2) An object is placed 16 cm to the left of a converging lens with a 4.0-diopter refractive power.At what distance from the object will the image be located?
A)14 cm
B)28 cm
C)44 cm
D)56 cm
E)64 cm
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Sample Questions
Q1) Determine the de Broglie wavelength of a neutron (m = 1.67 × 10<sup>-</sup>²
kg)that has a speed of 5.0 m/s.
A)79 nm
B)162 nm
C)395 nm
D)529 nm
E)1980 nm
Q2) Which one of the following quantities is the same for all photons in vacuum?
A)speed
B)frequency
C)kinetic energy
D)wavelength
E)total energy
Q3) A laser produces 3.0 W of light that has a wavelength of 600 nm.How many photons per second are produced?
A)7.3 × 10¹
B)4.2 × 10¹
C)1.0 × 10¹
D)3.0 × 10¹
E)9.1 × 10¹
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