Exam 1: Units,physical Quantities,and Vectors
Exam 1: Units,physical Quantities,and Vectors107 Questions
Exam 2: Motion Along a Straight Line59 Questions
Exam 3: Motion in Two or Three Dimensions50 Questions
Exam 4: Newtons Laws of Motion44 Questions
Exam 5: Applying Newtons Laws95 Questions
Exam 6: Work and Kinetic Energy54 Questions
Exam 7: Potential Energy and Energy Conservation55 Questions
Exam 8: Momentum,impulse,and Collisions50 Questions
Exam 9: Rotation of Rigid Bodies26 Questions
Exam 10: Dynamics of Rotational Motion49 Questions
Exam 11: Equilibrium and Elasticity50 Questions
Exam 12: Fluid Mechanics50 Questions
Exam 13: Gravitation50 Questions
Exam 14: Periodic Motion50 Questions
Exam 15: Mechanical Waves44 Questions
Exam 16: Sound and Hearing65 Questions
Exam 17: Temperature and Heat63 Questions
Exam 18: Thermal Properties of Matter58 Questions
Exam 19: The First Law of Thermodynamics52 Questions
Exam 20: The Second Law of Thermodynamics50 Questions
Exam 21: Electric Charge and Electric Field60 Questions
Exam 22: Gausss Law41 Questions
Exam 23: Electric Potential55 Questions
Exam 24: Capacitance and Dielectrics52 Questions
Exam 25: Current,resistance,and Electromotive Force55 Questions
Exam 26: Direct-Current Circuits53 Questions
Exam 27: Magnetic Field and Magnetic Forces42 Questions
Exam 28: Sources of Magnetic Field52 Questions
Exam 29: Electromagnetic Induction39 Questions
Exam 30: Inductance27 Questions
Exam 31: Alternating Current50 Questions
Exam 32: Electromagnetic Waves47 Questions
Exam 33: The Nature and Propagation of Light28 Questions
Exam 34: Geometric Optics81 Questions
Exam 35: Interference33 Questions
Exam 36: Diffraction49 Questions
Exam 37: Relativity51 Questions
Exam 38: Photons: Light Waves Behaving As Particles38 Questions
Exam 39: Particles Behaving As Waves52 Questions
Exam 40: Quantum Mechanics43 Questions
Exam 41: Atomic Structure53 Questions
Exam 42: Molecules and Condensed Matter31 Questions
Exam 43: Nuclear Physics90 Questions
Exam 44: Particle Physics and Cosmology54 Questions
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As shown in the figure,three force vectors act on an object.The magnitudes of the forces as shown in the figure are
= 80.0 N,
= 60.0 N,and
= 40.0 N,where N is the standard SI unit of force.The resultant force acting on the object is given by 




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(Multiple Choice)
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Correct Answer:
D
What is the angle between the vector
= +3
- 2
- 3
and the +y-axis?




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(Multiple Choice)
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Correct Answer:
A
A plot of land contains
How many square meters does it contain? 


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(Multiple Choice)
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Correct Answer:
A
For the vectors shown in the figure,find the magnitude and direction of the vector product
,assuming that the quantities shown are accurate to two significant figure. 


(Multiple Choice)
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Scientists use the metric system chiefly because it is more accurate than the English system.
(True/False)
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If
= -2
- 6
+ 2
and
= -2
-2
- 3
,which of the following numbers is closest to the magnitude of
×
?










(Multiple Choice)
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If
and
are nonzero vectors for which
∙
= 0,it must follow that




(Multiple Choice)
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For the vectors shown in the figure,express vector
in terms of vectors
and
. 




(Short Answer)
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A rabbit trying to escape a fox runs north for 8.0 m,darts northwest for 1.0 m,then drops
down a hole into its burrow.What is the magnitude of the net displacement of the rabbit?

(Multiple Choice)
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Estimate the number of times the earth will rotate on its axis during a human's lifetime.
(Multiple Choice)
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Determine the angle between the directions of vector
= 3.00
+ 1.00
and vector
.




(Multiple Choice)
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A marathon is
and
long.Estimate how many strides would be required to run a marathon.Assume a reasonable value for the average number of 



(Multiple Choice)
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What is 56 + (32.00)/(1.2465 + 3.45)written with the correct number of significant figures?
(Multiple Choice)
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The components of vector
are
= -3.5 and
= -9.7,and the components of vector
are
= -6 and
= +8.1.What is the angle (less than 180 degrees)between vectors
and
?








(Multiple Choice)
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Write out the number 7.35 × 10-5 in full with a decimal point and correct number of zeros.
(Multiple Choice)
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The height of the ceiling in a typical home,apartment,or dorm room is closest to
(Multiple Choice)
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Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields)the albert (A),the distance Albert can throw a small rock.One albert is
How many square alberts are equal to one acre? (1 acre = 43,560 ft2 = 4050 m2)

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