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Find the orbital speed of an ice cube in the rings of Saturn.The mass of Saturn is 5.68 × 1026 kg and the rings have an average radius of 100,000 km.(G = 6.67 × 10-11 N • m2/kg2)


A) 19.5 km/s
B) 27.5 km/s
C) 13.8 km/s
D) 1.95 km/s

E) All of the above
F) B) and C)

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While an object is in projectile motion (with upward being positive) with no air resistance


A) the horizontal component of its velocity remains constant and the horizontal component of its acceleration is equal to -g.
B) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to -g.
C) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to zero.
D) the vertical component of both its velocity and its acceleration remain constant.
E) the vertical component of its velocity remains constant and the vertical component of its acceleration is equal to -g.

F) A) and D)
G) D) and E)

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In the two-slit experiment,monochromatic light of frequency 5.00 × 1014 Hz passes through a pair of slits separated by 2.20 × 10-5 m.(c = 3.00 × 108 m/s) (a)At what angle away from the central bright spot does the third bright fringe past the central bright spot occur? (b)At what angle does the second dark fringe occur?

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The weight of a car of mass 1.20 × 103 kg is supported equally by the four tires,which are inflated to the same gauge pressure.What gauge pressure in the tires is required so the area of contact of each tire with the road is 1.00 × 102 cm2? (1 atm = 1.01 × 105 Pa.)


A) 11.6 × 105 Pa
B) 11.6 × 104 Pa
C) 2.94 × 105 Pa
D) 2.94 × 104 Pa
E) 2.94 × 103 Pa

F) A) and E)
G) C) and D)

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C

A planet has two small satellites in circular orbits around the planet. The first satellite has a period 18.0 hours and an orbital radius 2.00 × 107 m. The second planet has an orbital radius 3.00 × 107 m. What is the period of the second satellite?


A) 60.8 h
B) 12.0 h
C) 33.1 h
D) 9.80 h
E) 27.0 h

F) A) and B)
G) None of the above

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A certain astronomical telescope has a diameter of 5.60 m.Considering only the limitation due to diffraction,what is the minimum angle of resolution for this telescope at a wavelength of 620 nm?


A) 0.111 µrad
B) 0.311 µrad
C) 0.270 µrad
D) 0.135 µrad
E) 0.405 µrad

F) A) and B)
G) A) and D)

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What is the energy density in the magnetic field 25 cm from a long straight wire carrying a current of 12 A? (μ0 = 4π × 10-7 T • m/A)


A) 7.3 × 10-5 J/m3
B) 3.7 × 10-5 J/m3
C) 3.6 × 10-4 J/m3
D) 1.2 × 10-4 J/m3
E) The density cannot be determined without knowing the volume.

F) A) and B)
G) A) and E)

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A rock is dropped from the top of a vertical cliff and takes 3.00 s to reach the ground below the cliff. A second rock is thrown vertically from the cliff,and it takes this rock 2.00 s to reach the ground below the cliff from the time it is released. With what velocity was the second rock thrown,assuming no air resistance?


A) 4.76 m/s upward
B) 5.51 m/s downward
C) 12.3 m/s upward
D) 4.76 m/s downward
E) 12.3 m/s downward

F) A) and B)
G) C) and E)

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E

The angular velocity of a 755-g wheel 15.0 cm in diameter is given by the equation ω(t)= (2.00 rad/s2)t + (1.00 rad/s4)t3. (a)Through how many radians does the wheel turn during the first 2.00 s of its motion? (b)What is the angular acceleration (in rad/s2)of the wheel at the end of the first 2.00 s of its motion?

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(a)8.00 ra...

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In an INELASTIC collision between two objects


A) the momentum of each object is conserved.
B) the kinetic energy of each object is conserved.
C) the momentum of the system is conserved but the kinetic energy of the system is not conserved.
D) both the momentum and the kinetic energy of the system are conserved.
E) the kinetic energy of the system is conserved, but the momentum of the system is not conserved.

F) A) and C)
G) B) and C)

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The figure shows three electric charges labeled Q1,Q2,Q3,and some electric field lines in the region surrounding the charges.What are the signs of the three charges? The figure shows three electric charges labeled Q<sub>1</sub>,Q<sub>2</sub>,Q<sub>3</sub>,and some electric field lines in the region surrounding the charges.What are the signs of the three charges? A) Q<sub>1</sub> is positive, Q<sub>2</sub> is negative, Q<sub>3</sub> is positive. B) Q<sub>1</sub> is negative, Q<sub>2</sub> is positive, Q<sub>3</sub> is negative. C) Q<sub>1</sub> is positive, Q<sub>2</sub> is positive, Q<sub>3</sub> is negative. D) All three charges are negative. E) All three charges are positive.


A) Q1 is positive, Q2 is negative, Q3 is positive.
B) Q1 is negative, Q2 is positive, Q3 is negative.
C) Q1 is positive, Q2 is positive, Q3 is negative.
D) All three charges are negative.
E) All three charges are positive.

F) B) and D)
G) A) and B)

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If the mass of the earth and all objects on it were suddenly doubled,but the size remained the same,the acceleration due to gravity at the surface would become


A) 4 times what it now is.
B) 2 times what it now is.
C) the same as it now is.
D) 1/2 of what it now is.
E) 1/4 of what it now is.

F) C) and D)
G) A) and E)

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A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car.During the collision


A) the force on the truck due to the collision is slightly greater than the force on the car.
B) the force of on the truck due to the collision is exactly equal to the force on the car.
C) the force on the car due to the collision is much greater than the force on the truck.
D) the car and the truck have the same magnitude acceleration.

E) A) and B)
F) None of the above

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B

What is 34 + (3) × (1.2465) written with the correct number of significant figures?


A) 37.7
B) 37.74
C) 4 × 101
D) 38
E) 37.7395

F) A) and B)
G) A) and C)

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An air-filled parallel-plate capacitor is connected to a battery and allowed to charge up.Now a slab of dielectric material is placed between the plates of the capacitor while the capacitor is still connected to the battery.After this is done,we find that


A) the energy stored in the capacitor had decreased.
B) the voltage across the capacitor had increased.
C) the charge on the capacitor had increased.
D) the charge on the capacitor had not changed.
E) None of these choices are true.

F) B) and D)
G) A) and C)

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A Carnot cycle engine operates between a low temperature reservoir at 20°C and a high temperature reservoir at 800°C. If the engine is required to output 20.0 kJ of work per cycle,how much heat must the high temperature reservoir transfer to the engine during each cycle?


A) 27.5 kJ
B) 73.2 kJ
C) 39.2 kJ
D) 800 kJ
E) 20.5 kJ

F) A) and B)
G) C) and E)

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A hollow conducting spherical shell has radii of 0.80 m and 1.20 m,as shown in the figure.The sphere carries an excess charge of -500 nC.A point charge of +300 nC is present at the center.The surface charge density on the inner spherical surface is closest to A hollow conducting spherical shell has radii of 0.80 m and 1.20 m,as shown in the figure.The sphere carries an excess charge of -500 nC.A point charge of +300 nC is present at the center.The surface charge density on the inner spherical surface is closest to A) zero. B) +4.0 × 10<sup>-8</sup> C/m<sup>2</sup>. C) +6.0 × 10<sup>-8</sup> C/m<sup>2</sup>. D) -4.0 × 10<sup>-8</sup> C/m<sup>2</sup>. E) -6.0 × 10<sup>-8</sup> C/m<sup>2</sup>.


A) zero.
B) +4.0 × 10-8 C/m2.
C) +6.0 × 10-8 C/m2.
D) -4.0 × 10-8 C/m2.
E) -6.0 × 10-8 C/m2.

F) A) and E)
G) A) and D)

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The energy per unit volume in an electromagnetic wave is


A) equally divided between the electric and magnetic fields.
B) mostly in the electric field.
C) mostly in the magnetic field.
D) all in the electric field.
E) all in the magnetic field.

F) A) and B)
G) A) and D)

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The figure shows three metal coils labeled A,B,and C heading towards a region where a uniform static magnetic field exists.The coils move with the same constant velocity and all have the same resistance.Their relative sizes are indicated by the background grid.As they enter the magnetic field the coils will have an induced electric current in them.For which coil will the current be the greatest? The figure shows three metal coils labeled A,B,and C heading towards a region where a uniform static magnetic field exists.The coils move with the same constant velocity and all have the same resistance.Their relative sizes are indicated by the background grid.As they enter the magnetic field the coils will have an induced electric current in them.For which coil will the current be the greatest? A) A B) B C) C D) The current is the same in all three cases since all the coils move with the same velocity. E) There is no induced current in any of the coils since they move at constant velocity.


A) A
B) B
C) C
D) The current is the same in all three cases since all the coils move with the same velocity.
E) There is no induced current in any of the coils since they move at constant velocity.

F) A) and B)
G) None of the above

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Vector Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis = -1.00 Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis + -2.00 Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis And vector Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis = 3) 00 Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis + 4) 00 Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis ) What are the magnitude and direction of vector Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis = 3) 00 Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis + 2) 00 Vector = -1.00 + -2.00 And vector = 3) 00 + 4) 00 ) What are the magnitude and direction of vector = 3) 00 + 2) 00 ? A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis D) 5.00 in a direction 56.3° counterclockwise from the positive x axis E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis ?


A) 3.61 in a direction -56.3° counterclockwise from the positive x-axis
B) 3.61 in a direction 56.3° counterclockwise from the positive x-axis
C) 3.61 in a direction 33.7° counterclockwise from the positive x-axis
D) 5.00 in a direction 56.3° counterclockwise from the positive x axis
E) 6.72 in a direction 34.4° counterclockwise from the positive x-axis

F) A) and D)
G) B) and D)

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