Question 1

Consider the sine of any angle between 30° and 40°.If the angle were doubled,what would happen to the sine of the angle?

Accepted Answer

A)  It would double. 
B)  It would more than double. 
C)  It would increase but be less than double. 
D)  In different cases,it could do any of the above. 
A)  It would double. 
B)  It would more than double. 
C)  It would increase but be less than double. 
D)  In different cases,it could do any of the above.

Question 2

Areas always have dimensions ____ while volumes always have dimensions ____.

Accepted Answer

A)  m2,m3 
B)  L2,L3 
C)  Both a and b are correct. 
D)  No answer is correct because of the "always." 
A)  m2,m3 
B)  L2,L3 
C)  Both a and b are correct. 
D)  No answer is correct because of the "always."

Question 3

Which expression is dimensionally consistent with an expression that would yield a value for time−1? (v is velocity,x is distance,and t is time)

Accepted Answer

A)  v/x 
B)  v2/x 
C)  x/t 
D)  v2t 
A)  v/x 
B)  v2/x 
C)  x/t 
D)  v2t

Question 4

How long has it been that scientists have accepted that the nucleus of the atom consists of neutrons and protons? Think of your answers in terms of order of magnitude.

Accepted Answer

A)  about a decade 
B)  about a century 
C)  about a thousand years 
D)  since Aristotle 
A)  about a decade 
B)  about a century 
C)  about a thousand years 
D)  since Aristotle

Question 5

The ratio T/m of the prefixes M and m has what value?

Accepted Answer

A)  1016 
B)  1014 
C)  1015 
D)  1013 
E)  ​1017 
A)  1016 
B)  1014 
C)  1015 
D)  1013 
E)  ​1017

Question 6

The information on a one-gallon paint can is that the coverage,when properly applied,is 452 ft2.One gallon is 231 in3.What is the average thickness of the paint in such an application?

Accepted Answer

A)  0.0035 in 
B)  0.5111 in 
C)  0.0426 in 
D)  0.0136 in 
E)  ​0.1631 in 
A)  0.0035 in 
B)  0.5111 in 
C)  0.0426 in 
D)  0.0136 in 
E)  ​0.1631 in

Question 7

A train slowly climbs a 450-m mountain track which is at an angle of 10.0° with respect to the horizontal.How much altitude does it gain?

Accepted Answer

A)  78.1 m 
B)  225.0 m 
C)  83.1 m 
D)  443.2 m 
E)  ​450 m 
A)  78.1 m 
B)  225.0 m 
C)  83.1 m 
D)  443.2 m 
E)  ​450 m

Question 8

On planet Q the standard unit of volume is called the guppy.Space travelers from Earth have determined that one liter = 36.6 guppies.How many guppies are in 100 liters?

Accepted Answer

A)  3,660 guppies 
B)  3,696.6 guppies 
C)  3,560 guppies 
D)  3,760 guppies 
E)  ​3,623.4 guppies 
A)  3,660 guppies 
B)  3,696.6 guppies 
C)  3,560 guppies 
D)  3,760 guppies 
E)  ​3,623.4 guppies

Question 9

Since 1983 the standard meter has been defined in terms of which of the following?
​

Accepted Answer

A)  specific alloy bar housed at Sevres,France 
B)  wavelength of light emitted by krypton-86 
C)  distance from the Earth's equator to the North Pole 
D)  the distance light travels in a certain fraction of a second 
E)  None of the above 
A)  specific alloy bar housed at Sevres,France 
B)  wavelength of light emitted by krypton-86 
C)  distance from the Earth's equator to the North Pole 
D)  the distance light travels in a certain fraction of a second 
E)  None of the above

Question 10

Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration,x is distance,and t is time)

Accepted Answer

A)  v/t2 
B)  vx2 
C)  v2/t 
D)  at 
A)  v/t2 
B)  vx2 
C)  v2/t 
D)  at

Question 11

The nuclei of atoms contain

Accepted Answer

A)  electrons only. 
B)  neutrons only. 
C)  protons and electrons. 
D)  protons and neutrons. 
A)  electrons only. 
B)  neutrons only. 
C)  protons and electrons. 
D)  protons and neutrons.

Question 12

Assume everyone in the United States consumes one soft drink in an aluminum can every two days.If there are 280 million Americans,how many tons of aluminum need to be recycled each year if each can weighs 1/17 pound and one ton = 2000 pounds?

Accepted Answer

A)  412000 tons 
B)  1.5 million tons 
C)  3 million tons 
D)  1 million tons 
E)  ​376000 tons 
A)  412000 tons 
B)  1.5 million tons 
C)  3 million tons 
D)  1 million tons 
E)  ​376000 tons

Question 13

Assume when using a meter stick measuring can be done so that the last significant figure is in the tenth of a millimeter digit.If you are measuring an object with length between 25 and 53 cm,how many significant figures will result if you only use the part of the meter stick between the 3- and 85-cm positions?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  ​more than 4 
A)  1 
B)  2 
C)  3 
D)  4 
E)  ​more than 4

Question 14

Assume when using a meter stick measuring can be done so that the last significant figure is in the tenth of a millimeter digit.If you are measuring an object with length between 8 and 9 cm,how many significant figures will result if you only use the part of the meter stick between the 82- and 93-cm positions?

Accepted Answer

A)  0 
B)  2 
C)  3 
D)  4 
E)  ​more than 4 
A)  0 
B)  2 
C)  3 
D)  4 
E)  ​more than 4

Question 15

Multiplying a 2 significant figure number by a 4 significant figure number and then dividing the product by a seven significant figure number yields a number with how many significant figures?

Accepted Answer

A)  6/7 
B)  1 
C)  2 
D)  13 
E)  ​8/7 
A)  6/7 
B)  1 
C)  2 
D)  13 
E)  ​8/7

Question 16

A triangle has sides of length 7 cm and 11 cm.If the triangle is a right triangle,which of the following could be the length of the third side?

Accepted Answer

A)  11 cm 
B)  8 cm 
C)  16 cm 
D)  17 cm 
E)  ​7 cm 
A)  11 cm 
B)  8 cm 
C)  16 cm 
D)  17 cm 
E)  ​7 cm

Question 17

The proton contains which of the following combination of quarks?

Accepted Answer

A)  two up quarks and one down quark 
B)  one up quark and two down quarks 
C)  one top quark and two bottom quarks 
D)  two top quarks and one bottom quark 
A)  two up quarks and one down quark 
B)  one up quark and two down quarks 
C)  one top quark and two bottom quarks 
D)  two top quarks and one bottom quark

Question 18

A furlong is a distance of 180 yards.A fortnight is a time period of two weeks.A race horse is running at a speed of 7 yards per second.What is his speed in furlongs per fortnight?
​

Accepted Answer

A)  47,040 furlongs/fortnight 
B)  6,720 furlongs/fortnight 
C)  47,140 furlongs/fortnight 
D)  47,340 furlongs/fortnight 
E)  46,840 furlongs/fortnight 
A)  47,040 furlongs/fortnight 
B)  6,720 furlongs/fortnight 
C)  47,140 furlongs/fortnight 
D)  47,340 furlongs/fortnight 
E)  46,840 furlongs/fortnight

Question 19

The length and width of a standard sheet of paper is measured,and then the area is found by calculation to be 91.50 in2.The number of significant figures in the width measurement must be at least:

Accepted Answer

A)  1. 
B)  2. 
C)  3. 
D)  4. 
E)  ​5 
A)  1. 
B)  2. 
C)  3. 
D)  4. 
E)  ​5

Question 20

The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion.Assume that 25cm3 of gasoline is atomized into N spherical droplets.Each droplet has a radius of 1.0 × 10−5 m.Find the total surface area of these N spherical droplets.
​

Accepted Answer

A)  25,000 cm2 
B)  100,000 cm2 
C)  150,000 cm2 
D)  75,000 cm2 
E)  ​87,500 cm2 
A)  25,000 cm2 
B)  100,000 cm2 
C)  150,000 cm2 
D)  75,000 cm2 
E)  ​87,500 cm2

Exam 1: Introduction

Consider the sine of any angle between 30° and 40°.If the angle were doubled,what would happen to the sine of the angle?

Areas always have dimensions ____ while volumes always have dimensions ____.

Which expression is dimensionally consistent with an expression that would yield a value for time−1? (v is velocity,x is distance,and t is time)

How long has it been that scientists have accepted that the nucleus of the atom consists of neutrons and protons? Think of your answers in terms of order of magnitude.

The ratio T/m of the prefixes M and m has what value?

The information on a one-gallon paint can is that the coverage,when properly applied,is 452 ft2.One gallon is 231 in3.What is the average thickness of the paint in such an application?

A train slowly climbs a 450-m mountain track which is at an angle of 10.0° with respect to the horizontal.How much altitude does it gain?

On planet Q the standard unit of volume is called the guppy.Space travelers from Earth have determined that one liter = 36.6 guppies.How many guppies are in 100 liters?

Since 1983 the standard meter has been defined in terms of which of the following? ​

Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration,x is distance,and t is time)

The nuclei of atoms contain

Assume everyone in the United States consumes one soft drink in an aluminum can every two days.If there are 280 million Americans,how many tons of aluminum need to be recycled each year if each can weighs 1/17 pound and one ton = 2000 pounds?

Multiplying a 2 significant figure number by a 4 significant figure number and then dividing the product by a seven significant figure number yields a number with how many significant figures?

A triangle has sides of length 7 cm and 11 cm.If the triangle is a right triangle,which of the following could be the length of the third side?

The proton contains which of the following combination of quarks?

A furlong is a distance of 180 yards.A fortnight is a time period of two weeks.A race horse is running at a speed of 7 yards per second.What is his speed in furlongs per fortnight? ​

The length and width of a standard sheet of paper is measured,and then the area is found by calculation to be 91.50 in2.The number of significant figures in the width measurement must be at least:

The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion.Assume that 25cm3 of gasoline is atomized into N spherical droplets.Each droplet has a radius of 1.0 × 10−5 m.Find the total surface area of these N spherical droplets. ​

Introduction: Part A

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

Particle Collisions, Mediating Photons, and Quark Structures: Exploring the Fundamentals of Physics

Filters

Areas always have dimensions while volumes always have dimensions .

Which expression is dimensionally consistent with an expression that would yield a value for time−¹? (v is velocity,x is distance,and t is time)

The information on a one-gallon paint can is that the coverage,when properly applied,is 452 ft².One gallon is 231 in³.What is the average thickness of the paint in such an application?

Since 1983 the standard meter has been defined in terms of which of the following?

A furlong is a distance of 180 yards.A fortnight is a time period of two weeks.A race horse is running at a speed of 7 yards per second.What is his speed in furlongs per fortnight?

The length and width of a standard sheet of paper is measured,and then the area is found by calculation to be 91.50 in².The number of significant figures in the width measurement must be at least:

The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion.Assume that 25cm³ of gasoline is atomized into N spherical droplets.Each droplet has a radius of 1.0 × 10−⁵ m.Find the total surface area of these N spherical droplets.