Question 1

If the surface area of a sphere is increased by a factor of 3,by what factor does the radius of the sphere change?

Accepted Answer

A)  1.14 
B)  1.73 
C)  2.00 
D)  2.24 
A)  1.14 
B)  1.73 
C)  2.00 
D)  2.24

Question 2

The radius of a circle is increased by 5%.The percentage increase of the circumference is

Accepted Answer

A)  5%. 
B)  10%. 
C)  12%. 
D)  16%. 
A)  5%. 
B)  10%. 
C)  12%. 
D)  16%.

Question 3

Algebraic symbols in physics equations represent physical quantities,therefore

Accepted Answer

A)  the symbols represent numbers only. 
B)  the symbols represent numbers and units. 
C)  the symbols consist of units only. 
D)  the symbols are only abstract. 
E)  the symbols are only imaginary. 
A)  the symbols represent numbers only. 
B)  the symbols represent numbers and units. 
C)  the symbols consist of units only. 
D)  the symbols are only abstract. 
E)  the symbols are only imaginary.

Question 4

A student of physics watching the Star Wars films knows that according to the laws of physics

Accepted Answer

A)  the Rebel heroes can see the flash of an explosion in space. 
B)  the Rebel heroes can hear the sound of an explosion in space. 
C)  the Rebel heroes can hear each other over their radios in space. 
D)  the Rebel heroes can see the flash of an explosion in space and the Rebel heroes can hear each other over their radios in space. 
E)  the Rebel heroes can see the flash of an explosion in space and the Rebel heroes can hear the sound of an explosion in space. 
A)  the Rebel heroes can see the flash of an explosion in space. 
B)  the Rebel heroes can hear the sound of an explosion in space. 
C)  the Rebel heroes can hear each other over their radios in space. 
D)  the Rebel heroes can see the flash of an explosion in space and the Rebel heroes can hear each other over their radios in space. 
E)  the Rebel heroes can see the flash of an explosion in space and the Rebel heroes can hear the sound of an explosion in space.

Question 5

The length 3.76 mm is divided by 0.0232 mm.The rounded ratio is

Accepted Answer

A)  160. 
B)  162. 
C)  162.1. 
D)  162.07. 
E)  162.069. 
A)  160. 
B)  162. 
C)  162.1. 
D)  162.07. 
E)  162.069.

Question 6

The number of seconds in a 30 day month is

Accepted Answer

A)  2.59 $\times$ 10+6. 
B)  2.592 $\times$ 10+6. 
C)  2.5920 $\times$ 10+6. 
D)  2.592000 $\times$ 10+6. 
A)  2.59 $\times$ 10+6. 
B)  2.592 $\times$ 10+6. 
C)  2.5920 $\times$ 10+6. 
D)  2.592000 $\times$ 10+6.

Question 7

What is the approximate volume of an adult human's head.

Accepted Answer

A)  0.1 m3 
B)  0.001 m3 
C)  0.005 m3 
D)  0.01 m3 
E)  0.05 m3 
A)  0.1 m3 
B)  0.001 m3 
C)  0.005 m3 
D)  0.01 m3 
E)  0.05 m3

Question 8

Using the following unit conversions: 1.00 fluid ounce = 29.573 ml,1.00 L = 1000 cm3,density of water = 1.00gm/cm3,the number of fluid ounces in a kg of water is

Accepted Answer

A)  48.8 fluid ounces. 
B)  40.1 fluid ounces. 
C)  33.8 fluid ounces. 
D)  25.7 fluid ounces. 
A)  48.8 fluid ounces. 
B)  40.1 fluid ounces. 
C)  33.8 fluid ounces. 
D)  25.7 fluid ounces.

Question 9

To be dimensionally consistent,velocity [L/T],acceleration [L/T2] and time [T] must be related as follows.

Accepted Answer

A)  velocity = acceleration $\times$ time 
B)  velocity = acceleration $\times$ time2 
C)  velocity = acceleration2 $\times$ time2 
D)  velocity = acceleration2 $\times$ time 
A)  velocity = acceleration $\times$ time 
B)  velocity = acceleration $\times$ time2 
C)  velocity = acceleration2 $\times$ time2 
D)  velocity = acceleration2 $\times$ time

Question 10

1.0 kilometer equals ___________ nanometers.

Accepted Answer

A)  1.0 $\times$ 10+12 
B)  1.0 $\times$ 10+6 
C)  1.0 $\times$ 10+4 
D)  1.0 $\times$ 10-3 
A)  1.0 $\times$ 10+12 
B)  1.0 $\times$ 10+6 
C)  1.0 $\times$ 10+4 
D)  1.0 $\times$ 10-3

Question 11

Consider the ratio of the surface area of a cylinder to its volume.Assume the height is equal to its diameter.What happens to this ratio if the diameter of the cylinder decreases by a factor of 2?

Accepted Answer

A)  Remains the same 
B)  Decreases by a factor of 2 
C)  Increases by a factor of 2 
D)  Decreases by a factor of 4 
E)  Increases by a factor of 4 
A)  Remains the same 
B)  Decreases by a factor of 2 
C)  Increases by a factor of 2 
D)  Decreases by a factor of 4 
E)  Increases by a factor of 4

Question 12

In everyday language,power and force are similar,but in physics

Accepted Answer

A)  force has only magnitude. 
B)  power has only direction. 
C)  force has magnitude and direction. 
D)  power has magnitude and direction. 
E)  None of these answers are correct. 
A)  force has only magnitude. 
B)  power has only direction. 
C)  force has magnitude and direction. 
D)  power has magnitude and direction. 
E)  None of these answers are correct.

Question 13

Consider the ratio of the surface area of a sphere to its volume.What happens to this ratio if the diameter of the sphere increases by a factor of 3?

Accepted Answer

A)  Decreases by a factor of 9 
B)  Increases by a factor of 3 
C)  Decreases by a factor of 3 
D)  Increases by a factor of 9 
E)  Stays the same 
A)  Decreases by a factor of 9 
B)  Increases by a factor of 3 
C)  Decreases by a factor of 3 
D)  Increases by a factor of 9 
E)  Stays the same

Question 14

Find the equation v2 = ah + b that fits the following data.

Accepted Answer

A)  v2 = 2h - 6 
B)  v2 = h - 4 
C)  v2 = 2h + 4 
D)  v2 = 2h - 4 
A)  v2 = 2h - 6 
B)  v2 = h - 4 
C)  v2 = 2h + 4 
D)  v2 = 2h - 4

Question 15

Assume everyone in the United States consumes one soft drink in an aluminum can every two days.If there are 270 million Americans,estimate how many tons of Aluminum needs to be recycled each year if each can weighs 1/16 pound and one ton = 2000 pounds.

Accepted Answer

A)  750,000 tons 
B)  1.5 million tons 
C)  1.75 million tons 
D)  3 million tons 
E)  1,600,000 tons 
A)  750,000 tons 
B)  1.5 million tons 
C)  1.75 million tons 
D)  3 million tons 
E)  1,600,000 tons

Question 16

The side of a cube is decreased by 6%.The percentage decrease of the volume of the cube is

Accepted Answer

A)  6%. 
B)  9%. 
C)  12%. 
D)  17%. 
A)  6%. 
B)  9%. 
C)  12%. 
D)  17%.

Question 17

A liter is equivalent to 33.8 fluid ounces.How many liters of gasoline are required to fill a 21 gallon gas tank,if 1 gallon is equivalent to 128 fluid ounces?

Accepted Answer

A)  210 liters 
B)  710 liters 
C)  80 liters 
D)  6 liters 
A)  210 liters 
B)  710 liters 
C)  80 liters 
D)  6 liters

Question 18

The price of gasoline goes up 6% on Monday night and then goes down 7% today.What is the net percentage change in the price of gasoline from Monday?

Accepted Answer

A)  1.0% 
B)  2.0% 
C)  1.4% 
D)  -1.0% 
A)  1.0% 
B)  2.0% 
C)  1.4% 
D)  -1.0%

Question 19

To be dimensionally consistent,force [ML/T2],pressure [M/LT2],and length [L] must be related as follows.

Accepted Answer

A)  force = pressure2 $\times$ length2 
B)  force = pressure2 $\times$ length 
C)  force = pressure $\times$ length2 
D)  force = pressure $\times$ length 
A)  force = pressure2 $\times$ length2 
B)  force = pressure2 $\times$ length 
C)  force = pressure $\times$ length2 
D)  force = pressure $\times$ length

Question 20

In everyday language,speed and velocity are synonyms,but in physics

Accepted Answer

A)  velocity has only magnitude. 
B)  speed has only direction. 
C)  velocity has magnitude and direction. 
D)  speed has magnitude and direction. 
E)  velocity has only direction. 
A)  velocity has only magnitude. 
B)  speed has only direction. 
C)  velocity has magnitude and direction. 
D)  speed has magnitude and direction. 
E)  velocity has only direction.

Exam 1: Introduction

If the surface area of a sphere is increased by a factor of 3,by what factor does the radius of the sphere change?

The radius of a circle is increased by 5%.The percentage increase of the circumference is

Algebraic symbols in physics equations represent physical quantities,therefore

A student of physics watching the Star Wars films knows that according to the laws of physics

The length 3.76 mm is divided by 0.0232 mm.The rounded ratio is

The number of seconds in a 30 day month is

What is the approximate volume of an adult human's head.

Using the following unit conversions: 1.00 fluid ounce = 29.573 ml,1.00 L = 1000 cm3,density of water = 1.00gm/cm3,the number of fluid ounces in a kg of water is

To be dimensionally consistent,velocity [L/T],acceleration [L/T2] and time [T] must be related as follows.

1.0 kilometer equals ___________ nanometers.

Consider the ratio of the surface area of a cylinder to its volume.Assume the height is equal to its diameter.What happens to this ratio if the diameter of the cylinder decreases by a factor of 2?

In everyday language,power and force are similar,but in physics

Consider the ratio of the surface area of a sphere to its volume.What happens to this ratio if the diameter of the sphere increases by a factor of 3?

Find the equation v2 = ah + b that fits the following data.

Assume everyone in the United States consumes one soft drink in an aluminum can every two days.If there are 270 million Americans,estimate how many tons of Aluminum needs to be recycled each year if each can weighs 1/16 pound and one ton = 2000 pounds.

The side of a cube is decreased by 6%.The percentage decrease of the volume of the cube is

A liter is equivalent to 33.8 fluid ounces.How many liters of gasoline are required to fill a 21 gallon gas tank,if 1 gallon is equivalent to 128 fluid ounces?

The price of gasoline goes up 6% on Monday night and then goes down 7% today.What is the net percentage change in the price of gasoline from Monday?

To be dimensionally consistent,force [ML/T2],pressure [M/LT2],and length [L] must be related as follows.

In everyday language,speed and velocity are synonyms,but in physics

Force

Acceleration and Newtons Second Law of Motion

Motion With Constant Acceleration

Circular Motion

Conservation of Energy

Linear Momentum

Torque and Angular Momentum

Fluids

Elasticity and Oscillations

Waves

Sound

Temperature and the Ideal Gas

Heat

Thermodynamics

Electric Forces and Fields

Electric Potential

Electric Current and Circuits

Magnetic Forces and Fields

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Reflection and Refraction of Light

Optical Instruments

Interference and Diffraction

Relativity

Early Quantum Physics and the Photon

Quantum Physics

Nuclear Physics

Particle Physics

Filters

Using the following unit conversions: 1.00 fluid ounce = 29.573 ml,1.00 L = 1000 cm³,density of water = 1.00gm/cm³,the number of fluid ounces in a kg of water is

To be dimensionally consistent,velocity [L/T],acceleration [L/T²] and time [T] must be related as follows.

Find the equation v² = ah + b that fits the following data.

To be dimensionally consistent,force [ML/T²],pressure [M/LT²],and length [L] must be related as follows.