Question 1

A room in a house has a floor area of 160 ft2.Which of the following is most likely the approximate volume of the room?

Accepted Answer

A)  4000 m3 
B)  400 m3 
C)  40 m3 
D)  4 m3 
A)  4000 m3 
B)  400 m3 
C)  40 m3 
D)  4 m3 C

Question 2

A cement truck can pour 40 cubic yards of cement per hour.Express this in ft3/min.

Accepted Answer

A)  2/3 ft3/min 
B)  18 ft3/min 
C)  6 ft3/min 
D)  2.0 ft3/min 
A)  2/3 ft3/min 
B)  18 ft3/min 
C)  6 ft3/min 
D)  2.0 ft3/min B

Question 3

Note the expression: y = x2.Which statement is most consistent with this expression?

Accepted Answer

A)  if y doubles,then x quadruples 
B)  y is greater than x 
C)  if x doubles,then y doubles 
D)  if x doubles,then y quadruples 
A)  if y doubles,then x quadruples 
B)  y is greater than x 
C)  if x doubles,then y doubles 
D)  if x doubles,then y quadruples D

Question 4

Water flows into a swimming pool at the rate of 12 gal/min.The pool is 16 ft wide,32 ft long and 6.0 ft deep.How long does it take to fill? (1 U.S.gallon = 231 cubic inches)

Accepted Answer

A)  32 hours 
B)  64 hours 
C)  48 hours 
D)  24 hours 
A)  32 hours 
B)  64 hours 
C)  48 hours 
D)  24 hours

Question 5

On planet Q the standard unit of volume is called the guppy.Space travelers from Earth have determined that one liter = 38.2 guppies.How many guppies are in 200 liters?

Accepted Answer

A)  70.2 guppies 
B)  9.74 guppies 
C)  5.24 guppies 
D)  7640 guppies 
A)  70.2 guppies 
B)  9.74 guppies 
C)  5.24 guppies 
D)  7640 guppies

Question 6

Which one of the choices below represents the preferred practice regarding significant figures when adding the following: 12.4 + 14 + 67.37 + 4.201?

Accepted Answer

A)  98 
B)  98.0 
C)  97.97 
D)  97.971 
A)  98 
B)  98.0 
C)  97.97 
D)  97.971

Question 7

A high fountain of water is in the center of a circular pool of water.You walk the circumference of the pool and measure it to be 170 meters.You then stand at the edge of the pool and use a protractor to gauge the angle of elevation of the top of the fountain.It is 51°.How high is the fountain?

Accepted Answer

A)  17 m 
B)  23 m 
C)  30 m 
D)  33 m 
A)  17 m 
B)  23 m 
C)  30 m 
D)  33 m

Question 8

The unit slug has what dimensions?

Accepted Answer

A)  L 
B)  M 
C) L / T2 
D) T / L2 
A)  L 
B)  M 
C) L / T2 
D) T / L2

Question 9

tripling the radius of a sphere results in increasing its volume by a factor of

Accepted Answer

A)  27π 
B)  27 
C)  9 
D)  3 
A)  27π 
B)  27 
C)  9 
D)  3

Question 10

Vector   Is 3.00 units in length and points along the positive x axis;vector  
Is 5.00 units in length and points along a direction 150° from the positive x axis.What is the direction of their sum with respect to the positive x axis?

Accepted Answer

A)  62.0° 
B)  13.0° 
C)  118° 
D)  103° 
A)  62.0° 
B)  13.0° 
C)  118° 
D)  103°

Question 11

If θ and φ are each first quadrant angles,which of the following must be true if sin θ = cos φ?

Accepted Answer

A)  θ + φ = π rad 
B)  θ + φ = 90° 
C)  θ - φ = π/2 rad 
D)  θ = φ 
A)  θ + φ = π rad 
B)  θ + φ = 90° 
C)  θ - φ = π/2 rad 
D)  θ = φ

Question 12

Arvin the Ant travels 30 cm eastward,then 25 cm northward,and finally 10 cm westward.In what direction is Arvin now in with respect to his starting point?

Accepted Answer

A)  59° N of E 
B)  29° N of E 
C)  29° N of W 
D)  51° N of E 
A)  59° N of E 
B)  29° N of E 
C)  29° N of W 
D)  51° N of E

Question 13

A triangle has sides of lengths 14 cm and 50 cm.If the triangle is a right triangle,which of the following could be the length of the third side?

Accepted Answer

A)  26 cm 
B)  36 cm 
C)  48 cm 
D)  64 cm 
A)  26 cm 
B)  36 cm 
C)  48 cm 
D)  64 cm

Question 14

Which point is nearest the y axis?

Accepted Answer

A)  (−3,4) 
B)  (4,5) 
C)  (−5,3) 
D)  (5,−2) 
A)  (−3,4) 
B)  (4,5) 
C)  (−5,3) 
D)  (5,−2)

Question 15

Modern electroplaters can cover a surface area of 55.0 m2 with one troy ounce of gold (volume = 1.611 cm3).What is the thickness of the electroplated gold?

Accepted Answer

A)  3.64 × 10−7 m 
B)  1.46 × 10−9 m 
C)  1.83 × 10−6 m 
D)  2.93 × 10−8 m 
A)  3.64 × 10−7 m 
B)  1.46 × 10−9 m 
C)  1.83 × 10−6 m 
D)  2.93 × 10−8 m

Question 16

Suppose the interior angles of a triangle are φ1,φ2,and φ3,with φ1 > φ2 > φ3.Which side of the triangle is the shortest?

Accepted Answer

A)  The side opposite φ1. 
B)  The side opposite φ2. 
C)  The side opposite φ3. 
D)  More information is needed unless the triangle is a right triangle. 
A)  The side opposite φ1. 
B)  The side opposite φ2. 
C)  The side opposite φ3. 
D)  More information is needed unless the triangle is a right triangle.

Question 17

A right triangle has sides 5.0 m,12 m,and 13 m.The largest angle not 90° of this triangle is nearest:

Accepted Answer

A)  21°. 
B)  23°. 
C)  67°. 
D)  Not attainable since this is not a right triangle. 
A)  21°. 
B)  23°. 
C)  67°. 
D)  Not attainable since this is not a right triangle.

Question 18

The current standard definition for the second has been based on which of the following?

Accepted Answer

A)  characteristic frequency of the light from cesium atoms 
B)  average solar day 
C)  sidereal day 
D)  Greenwich Civil Time 
A)  characteristic frequency of the light from cesium atoms 
B)  average solar day 
C)  sidereal day 
D)  Greenwich Civil Time

Question 19

The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion.Assume that 40 cm3 of gasoline is atomized into N spherical droplets.Each droplet has a radius of 2.0 × 10−5 m.Find the total surface area of these N spherical droplets.

Accepted Answer

A)  60,000 cm2 
B)  24,000 cm2 
C)  20,000 cm2 
D)  2800 cm2 
A)  60,000 cm2 
B)  24,000 cm2 
C)  20,000 cm2 
D)  2800 cm2

Question 20

If point A is located at coordinates (2,−3)and point B is located at coordinates (−3,9),what is the distance from A to B if the units of the coordinated system are meters?

Accepted Answer

A)  17 m 
B)  10 m 
C)  13 m 
D)  20 m 
A)  17 m 
B)  10 m 
C)  13 m 
D)  20 m

Exam 1: Introduction: Part A

A room in a house has a floor area of 160 ft2.Which of the following is most likely the approximate volume of the room?

A cement truck can pour 40 cubic yards of cement per hour.Express this in ft3/min.

Note the expression: y = x2.Which statement is most consistent with this expression?

Water flows into a swimming pool at the rate of 12 gal/min.The pool is 16 ft wide,32 ft long and 6.0 ft deep.How long does it take to fill? (1 U.S.gallon = 231 cubic inches)

On planet Q the standard unit of volume is called the guppy.Space travelers from Earth have determined that one liter = 38.2 guppies.How many guppies are in 200 liters?

Which one of the choices below represents the preferred practice regarding significant figures when adding the following: 12.4 + 14 + 67.37 + 4.201?

A high fountain of water is in the center of a circular pool of water.You walk the circumference of the pool and measure it to be 170 meters.You then stand at the edge of the pool and use a protractor to gauge the angle of elevation of the top of the fountain.It is 51°.How high is the fountain?

The unit slug has what dimensions?

tripling the radius of a sphere results in increasing its volume by a factor of

Vector Is 3.00 units in length and points along the positive x axis;vector Is 5.00 units in length and points along a direction 150° from the positive x axis.What is the direction of their sum with respect to the positive x axis?

If θ and φ are each first quadrant angles,which of the following must be true if sin θ = cos φ?

Arvin the Ant travels 30 cm eastward,then 25 cm northward,and finally 10 cm westward.In what direction is Arvin now in with respect to his starting point?

A triangle has sides of lengths 14 cm and 50 cm.If the triangle is a right triangle,which of the following could be the length of the third side?

Which point is nearest the y axis?

Modern electroplaters can cover a surface area of 55.0 m2 with one troy ounce of gold (volume = 1.611 cm3).What is the thickness of the electroplated gold?

Suppose the interior angles of a triangle are φ1,φ2,and φ3,with φ1 > φ2 > φ3.Which side of the triangle is the shortest?

A right triangle has sides 5.0 m,12 m,and 13 m.The largest angle not 90° of this triangle is nearest:

The current standard definition for the second has been based on which of the following?

The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion.Assume that 40 cm3 of gasoline is atomized into N spherical droplets.Each droplet has a radius of 2.0 × 10−5 m.Find the total surface area of these N spherical droplets.

If point A is located at coordinates (2,−3)and point B is located at coordinates (−3,9),what is the distance from A to B if the units of the coordinated system are meters?

Introduction

Motion in One Dimension

Motion in One Dimension: Part A

Vectors and Two-Dimensional Motion

Vectors and Two-Dimensional Motion: Part A

The Laws of Motion

The Laws of Motion: Part A

Energy

Energy: Part A

Momentum and Collisions

Momentum and Collisions: Part A

Rotational Motion and the Law of Gravity

Rotational Motion and the Law of Gravity: Part A

Rotational Equilibrium and Rotational Dynamics

Rotational Equilibrium and Rotational Dynamics: Part A

Solids and Fluids

Solids and Fluids: Part A

Thermal Physics

Thermal Physics: Part A

Energy in Thermal Processes Heat and Internal Energy

Energy in Thermal Processes Heat and Internal Energy: Part A

The Laws of Thermodynamics Work in Thermodynamic Processes

The Laws of Thermodynamics Work in Thermodynamic Processes: Part A

Vibrations and Waves

Vibrations and Waves: Part A

Sound

Sound: Part A

Electric Forces and Electric Fields

Electric Forces and Electric Fields: Part A

Electrical Energy and Capacitance

Electrical Energy and Capacitance: Part A

Current and Resistance Electric Current

Current and Resistance Electric Current: Part A

Direct-Current Circuits Sources of EMF

Direct-Current Circuits Sources of EMF: Part A

Magnetism Magnets

Magnetism Magnets: Part A

Induced Voltages and Inductance

Induced Voltages and Inductance: Part A

Alternating-Current Circuits and Electromagnetic Waves

Alternating-Current Circuits and Electromagnetic Waves: Part A

Reflection and Refraction of Light

Reflection and Refraction of Light: Part A

Mirrors and Lenses

Mirrors and Lenses: Part A

Wave Optics

Wave Optics: Part A

Optical Instruments

Optical Instruments: Part A

Relativity

Relativity: Part A

Quantum Physics Blackbody Radiation and Plancks Hypothesis

Quantum Physics Blackbody Radiation and Plancks Hypothesis: Part A

Atomic Physics

Atomic Physics: Part A

Nuclear Physics

Nuclear Physics: Part A

Nuclear Energy and Elementary Particles

Nuclear Energy and Elementary Particles: Part A

A room in a house has a floor area of 160 ft².Which of the following is most likely the approximate volume of the room?

A cement truck can pour 40 cubic yards of cement per hour.Express this in ft³/min.

Note the expression: y = x².Which statement is most consistent with this expression?

Modern electroplaters can cover a surface area of 55.0 m² with one troy ounce of gold (volume = 1.611 cm³).What is the thickness of the electroplated gold?

Suppose the interior angles of a triangle are φ1,φ₂,and φ₃,with φ1 > φ₂_> φ₃.Which side of the triangle is the shortest?

The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion.Assume that 40 cm³ of gasoline is atomized into N spherical droplets.Each droplet has a radius of 2.0 × 10−⁵ m.Find the total surface area of these N spherical droplets.