Question 1

The kinetic energy of a pendulum is greatest

Accepted Answer

A)  when its potential energy is greatest. 
B)  at the top of its swing. 
C)  at the bottom of its swing. 
D)  when its total energy is greatest. 
A)  when its potential energy is greatest. 
B)  at the top of its swing. 
C)  at the bottom of its swing. 
D)  when its total energy is greatest.

Question 2

Some food costs may rise in the future as a consequence of the increased use of which food-based fuel?

Accepted Answer

A)  Ethanol 
B)  Gasoline 
C)  Oil 
D)  Coal 
A)  Ethanol 
B)  Gasoline 
C)  Oil 
D)  Coal

Question 3

One watt is equal to ______________ per second.

Accepted Answer

A)  one kilogram 
B)  one newton 
C)  one joule 
D)  one meter 
A)  one kilogram 
B)  one newton 
C)  one joule 
D)  one meter

Question 4

Which of the following is a vector quantity?

Accepted Answer

A)  Energy 
B)  Power 
C)  Work 
D)  None of these 
A)  Energy 
B)  Power 
C)  Work 
D)  None of these

Question 5

With a constant braking force, the stopping distance of a car is proportional to ______________.

Accepted Answer

the square

Question 6

The potential energy of a pendulum is greatest

Accepted Answer

A)  when its potential energy is least. 
B)  at the top of its swing. 
C)  at the bottom of its swing. 
D)  when its total energy is greatest. 
A)  when its potential energy is least. 
B)  at the top of its swing. 
C)  at the bottom of its swing. 
D)  when its total energy is greatest.

Question 7

Energy sources that would be nonpolluting supplements to our energy are called ______________ fuels.

Accepted Answer

The answer of Energy sources that would be nonpolluting supplements...

Question 8

Which of the following is(are) drawbacks to the use of methane hydrate as a fuel?

Accepted Answer

A)  When melted, it produces methane, a greenhouse gas. 
B)  It is difficult to mine as a solid located at the bottom of the oceans. 
C)  It is mixed with water. 
D)  All of these are drawbacks associated with methane hydrate. 
A)  When melted, it produces methane, a greenhouse gas. 
B)  It is difficult to mine as a solid located at the bottom of the oceans. 
C)  It is mixed with water. 
D)  All of these are drawbacks associated with methane hydrate.

Question 9

Power is

Accepted Answer

A)  the time rate of doing work. 
B)  the time rate of doing velocity. 
C)  the time rate of doing momentum. 
D)  the time rate of doing force. 
A)  the time rate of doing work. 
B)  the time rate of doing velocity. 
C)  the time rate of doing momentum. 
D)  the time rate of doing force.

Question 10

One ______________ is equal to one joule per second.

Accepted Answer

A)  kilogram 
B)  newton 
C)  pound 
D)  watt 
A)  kilogram 
B)  newton 
C)  pound 
D)  watt

Question 11

Kinetic and potential energies are forms of __________ energy.

Accepted Answer

The answer of Kinetic and potential energies are forms of...

Question 12

Work requires

Accepted Answer

A)  motion. 
B)  zero net force. 
C)  zero momentum. 
D)  a force perpendicular to the direction of motion. 
A)  motion. 
B)  zero net force. 
C)  zero momentum. 
D)  a force perpendicular to the direction of motion.

Question 13

The quantity   is known as

Accepted Answer

A)  kinetic energy. 
B)  potential energy. 
C)  work. 
D)  energy. 
E)  power. 
A)  kinetic energy. 
B)  potential energy. 
C)  work. 
D)  energy. 
E)  power.

Question 14

The ______________ distance is used in calculating work.

Accepted Answer

A)  normal 
B)  square of 
C)  perpendicular 
D)  parallel 
A)  normal 
B)  square of 
C)  perpendicular 
D)  parallel

Question 15

A student weighing 700 N climbs a flight of stairs 5.0 m high. Calculate the work done.

Accepted Answer

The answer of A student weighing 700 N climbs a...

Question 16

Besides fossil fuels, the only other significant commercial sources of energy are ______________ and ______________.

Accepted Answer

The answer of Besides fossil fuels, the only other significant...

Question 17

The kilowatt-hour is a unit of ______________.

Accepted Answer

The answer of The kilowatt-hour is a unit of ______________....

Question 18

Work in the amount of 280 J is done in lifting an object a distance of 4.0 m in a time of 7.0 s.a. How much force did it take to lift the object?
b. What was the power input?

Accepted Answer

The answer of Work in the amount of 280 J...

Question 19

Which of the following is not a scalar quantity?

Accepted Answer

A)  Kinetic energy 
B)  Potential energy 
C)  Power 
D)  Work 
E)  None of these; that is, they are all scalar quantities. 
A)  Kinetic energy 
B)  Potential energy 
C)  Power 
D)  Work 
E)  None of these; that is, they are all scalar quantities.

Question 20

One watt is equal to one joule per ______________.

Accepted Answer

A)  second 
B)  newton 
C)  hour 
D)  kilogram 
A)  second 
B)  newton 
C)  hour 
D)  kilogram

The kinetic energy of a pendulum is greatest

Some food costs may rise in the future as a consequence of the increased use of which food-based fuel?

One watt is equal to ______________ per second.

Which of the following is a vector quantity?

With a constant braking force, the stopping distance of a car is proportional to ______________.

The potential energy of a pendulum is greatest

Energy sources that would be nonpolluting supplements to our energy are called ______________ fuels.

Which of the following is(are) drawbacks to the use of methane hydrate as a fuel?

Power is

One ______________ is equal to one joule per second.

Kinetic and potential energies are forms of __________ energy.

Work requires

The quantity is known as

The ______________ distance is used in calculating work.

A student weighing 700 N climbs a flight of stairs 5.0 m high. Calculate the work done.

Besides fossil fuels, the only other significant commercial sources of energy are and .

The kilowatt-hour is a unit of ______________.

Work in the amount of 280 J is done in lifting an object a distance of 4.0 m in a time of 7.0 s.a. How much force did it take to lift the object? b. What was the power input?

Which of the following is not a scalar quantity?

One watt is equal to one joule per ______________.

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

Exam 4: Electricity and Magnetism

The kinetic energy of a pendulum is greatest

Some food costs may rise in the future as a consequence of the increased use of which food-based fuel?

One watt is equal to ______________ per second.

Which of the following is a vector quantity?

With a constant braking force, the stopping distance of a car is proportional to ______________.

The potential energy of a pendulum is greatest

Energy sources that would be nonpolluting supplements to our energy are called ______________ fuels.

Which of the following is(are) drawbacks to the use of methane hydrate as a fuel?

Power is

One ______________ is equal to one joule per second.

Kinetic and potential energies are forms of __________ energy.

Work requires

The quantity is known as

The ______________ distance is used in calculating work.

A student weighing 700 N climbs a flight of stairs 5.0 m high. Calculate the work done.

Besides fossil fuels, the only other significant commercial sources of energy are ______________ and ______________.

The kilowatt-hour is a unit of ______________.

Work in the amount of 280 J is done in lifting an object a distance of 4.0 m in a time of 7.0 s.a. How much force did it take to lift the object? b. What was the power input?

Which of the following is not a scalar quantity?

One watt is equal to one joule per ______________.

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

Besides fossil fuels, the only other significant commercial sources of energy are and .