Question 1

Earth satellites are typically more than 100 km high so as to be above Earth's

Accepted Answer

A) atmosphere, 
B) gravitational field, 
C) both the atmosphere and the gravitational field,
And if its path is circular at that altitude, then the satellite has a constant 
D) speed. 
E) acceleration.
F)radial distance from Earth.
G)all of these
H)none of the above 
A) atmosphere, 
B) gravitational field, 
C) both the atmosphere and the gravitational field,
And if its path is circular at that altitude, then the satellite has a constant 
D) speed. 
E) acceleration.
F)radial distance from Earth.
G)all of these
H)none of the above

Question 2

A cubic meter of lead which weighs 105 N is submerged in water. The buoyant force acting on it is about

Accepted Answer

A) the weight of a cubic meter of water, 104 N 
B) half the weight of lead, 1/2 × 105 N 
C) the weight of lead, 105 N
Because 
D) the block loses half its apparent weight when suspended in water. 
E) the block displaces 105 N of water.
F)the volume of water displaced is one cubic meter. 
A) the weight of a cubic meter of water, 104 N 
B) half the weight of lead, 1/2 × 105 N 
C) the weight of lead, 105 N
Because 
D) the block loses half its apparent weight when suspended in water. 
E) the block displaces 105 N of water.
F)the volume of water displaced is one cubic meter.

Question 3

In the absence of air resistance, a boulder and a pebble dropped from rest will fall with equal

Accepted Answer

A) forces of gravity. 
B) accelerations. 
C) energies. 
D) all these.
The reason that this quantity is not greater for the boulder than the pebble is that 
E) both the boulder and the pebble fall at the same speed.
F)the initial potential energies of each is the same.
G)gravitational force acting on each is the same.
H)the greater gravitational force on the boulder acts on a correspondingly greater mass. 
A) forces of gravity. 
B) accelerations. 
C) energies. 
D) all these.
The reason that this quantity is not greater for the boulder than the pebble is that 
E) both the boulder and the pebble fall at the same speed.
F)the initial potential energies of each is the same.
G)gravitational force acting on each is the same.
H)the greater gravitational force on the boulder acts on a correspondingly greater mass.

Question 4

A stone is thrown downward from a tall cliff and hits the ground below. If it were instead thrown straight upward with the same initial speed, it would end up striking the ground below (neglect air resistance)with

Accepted Answer

A) the same speed. 
B) less speed. 
C) greater speed.
If air resistance IS a factor, then when the stone is moving downward it will undergo 
D) an increase in acceleration as velocity increases. 
E) a decrease in acceleration as velocity increases.
F)a constant acceleration. 
A) the same speed. 
B) less speed. 
C) greater speed.
If air resistance IS a factor, then when the stone is moving downward it will undergo 
D) an increase in acceleration as velocity increases. 
E) a decrease in acceleration as velocity increases.
F)a constant acceleration.

Question 5

Heat from the Sun gets to Earth by the process of

Accepted Answer

A) osmosis. 
B) radiation. 
C) molecular movement. 
D) convection. 
E) conduction.
When sunlight reaches Earth, it becomes
F)internal energy.
G)solar energy.
H)electromagnetic radiation. 
A) osmosis. 
B) radiation. 
C) molecular movement. 
D) convection. 
E) conduction.
When sunlight reaches Earth, it becomes
F)internal energy.
G)solar energy.
H)electromagnetic radiation.

Question 6

Radioactive isotope A has a half-life of one year, while radioactive isotope B has a half-life of one day. If equal numbers of atoms of each are present, which will give the highest reading on a Geiger counter?

Accepted Answer

A) A 
B) B 
C) both the same
How much of the original sample of radioactive isotope A will be left at the end of the second year? 
D) none 
E) one-quarter
F)one-half
G)one-eighth 
A) A 
B) B 
C) both the same
How much of the original sample of radioactive isotope A will be left at the end of the second year? 
D) none 
E) one-quarter
F)one-half
G)one-eighth

Question 7

Which eats more for its size (volume)?

Accepted Answer

A) a man 
B) a mouse 
C) an elephant 
D) each eats approximately an amount of food in proportion to its size.
This is because 
E) the smaller the animal is, the more radiating area it has proportional to its volume.
F)the larger the animal is, the more radiating area it has proportional to its volume.
G)neither of these has any bearing on the dietary behavior of living creatures. 
A) a man 
B) a mouse 
C) an elephant 
D) each eats approximately an amount of food in proportion to its size.
This is because 
E) the smaller the animal is, the more radiating area it has proportional to its volume.
F)the larger the animal is, the more radiating area it has proportional to its volume.
G)neither of these has any bearing on the dietary behavior of living creatures.

Question 8

The quantity that tells how warm or cold a body is with respect to some standard body is called

Accepted Answer

A) heat. 
B) internal energy. 
C) temperature. 
D) molecular kinetic energy.
The internal energy that is transferred from one body to another because of a temperature difference is called 
E) heat
F)potential energy
G)temperature
H)molecular kinetic energy 
A) heat. 
B) internal energy. 
C) temperature. 
D) molecular kinetic energy.
The internal energy that is transferred from one body to another because of a temperature difference is called 
E) heat
F)potential energy
G)temperature
H)molecular kinetic energy

Question 9

If you were traveling at the speed of light, next to a beam of light, the beam would appear to

Accepted Answer

A) be at relative rest, traveling beside you at an equal speed. 
B) still travel away from you, but at a speed less than c. 
C) travel away from you at c.
From this we see that the speed of light in free space will be found to 
D) have the same value for all observers. 
E) be relative to the motion of the observer. 
A) be at relative rest, traveling beside you at an equal speed. 
B) still travel away from you, but at a speed less than c. 
C) travel away from you at c.
From this we see that the speed of light in free space will be found to 
D) have the same value for all observers. 
E) be relative to the motion of the observer.

Question 10

A woman standing on the surface of Earth has a mass of 70 kg and a weight of 700 N. If instead she is floating freely inside a non-rotating space habitat far from Earth, her mass would be

Accepted Answer

A) less than 70 kg 
B) 70 kg 
C) more than 70 kg
And her weight would be 
D) less than 700 N. 
E) 700 N.
F)more than 700 N. 
A) less than 70 kg 
B) 70 kg 
C) more than 70 kg
And her weight would be 
D) less than 700 N. 
E) 700 N.
F)more than 700 N.

Question 11

Figure T-2
  
-The heavy boy and light girl are balanced on the seesaw. If they both move inward so that each is exactly half the original distance from the pivot, then the

Accepted Answer

A) boy's end will move downward. 
B) girl's end will move downward. 
C) seesaw will remain in balance.
If the fulcrum of the seesaw is repositioned so each can sit at an END of the board and be in balance, then if each moves inward half way the 
D) boy's end will move downward 
E) girl's end will move downward
F)seesaw will remain balanced 
A) boy's end will move downward. 
B) girl's end will move downward. 
C) seesaw will remain in balance.
If the fulcrum of the seesaw is repositioned so each can sit at an END of the board and be in balance, then if each moves inward half way the 
D) boy's end will move downward 
E) girl's end will move downward
F)seesaw will remain balanced

Question 12

The force that holds atoms together to form molecules is

Accepted Answer

A) electric, 
B) magnetic, 
C) gravitational, 
D) nuclear,
And the force that holds the protons in a nucleus together is 
E) electric.
F)magnetic.
G)gravitational.
H)nuclear. 
A) electric, 
B) magnetic, 
C) gravitational, 
D) nuclear,
And the force that holds the protons in a nucleus together is 
E) electric.
F)magnetic.
G)gravitational.
H)nuclear.

Question 13

A new theory conforms to the Correspondence Principle when it

Accepted Answer

A) successfully accounts for the verified results of the old theory. 
B) corresponds to all theories of nature. 
C) states the essence of the old theory, but in an up-to-date way. 
D) successfully ties two or more theories together.
The Correspondence Principle is applicable 
E) principally at the atomic level.
F)in all realms of physics.
G)for all good theory, scientific or otherwise. 
A) successfully accounts for the verified results of the old theory. 
B) corresponds to all theories of nature. 
C) states the essence of the old theory, but in an up-to-date way. 
D) successfully ties two or more theories together.
The Correspondence Principle is applicable 
E) principally at the atomic level.
F)in all realms of physics.
G)for all good theory, scientific or otherwise.

Question 14

Figure M-2
  
-Two vases of different shapes each contain a goldfish. In the position shown, the fish that will feel the greatest pressure is

Accepted Answer

A) A 
B) B 
C) both experience the same
Because 
D) the weight of water is greater in vase B. 
E) fish A is nearer to the bottom of the vase.
F)both fish are at the same depth. 
A) A 
B) B 
C) both experience the same
Because 
D) the weight of water is greater in vase B. 
E) fish A is nearer to the bottom of the vase.
F)both fish are at the same depth.

Question 15

Figure L-3
  
-The radiation curve is a plot of light intensity versus frequency for an incandescent source such as a glowing lamp filament. If the source of light were excited atoms in the gaseous phase, the radiation curve would look like

Accepted Answer

A) I. 
B) II. 
C) III. 
D) IV.
The plot shown in IV is of 
E) monochromatic light.
F)a very bright source.
G)light that has passed through a thin slit. 
A) I. 
B) II. 
C) III. 
D) IV.
The plot shown in IV is of 
E) monochromatic light.
F)a very bright source.
G)light that has passed through a thin slit.

Question 16

Figure N-4
  
-Each group in a tug-of-war pulls with 1000 N on each side of the rope. The net force on the rope is

Accepted Answer

A) 0 N 
B) 500 N 
C) 1000 N 
D) 2000 N
And the tension within the rope is 
E) 0 N.
F)500 N.
G)1000 N.
H)2000 N. 
A) 0 N 
B) 500 N 
C) 1000 N 
D) 2000 N
And the tension within the rope is 
E) 0 N.
F)500 N.
G)1000 N.
H)2000 N.

Question 17

Protons and electrons

Accepted Answer

A) repel each other. 
B) attract each other. 
C) do not interact with each other.
If the distance between a proton and an electron is doubled, the electrical force is 
D) 1/4 as much. 
E) 1/2 as much.
F)the same.
G)twice as much.
H)four times as much. 
A) repel each other. 
B) attract each other. 
C) do not interact with each other.
If the distance between a proton and an electron is doubled, the electrical force is 
D) 1/4 as much. 
E) 1/2 as much.
F)the same.
G)twice as much.
H)four times as much.

Question 18

To drop a package to Earth from a satellite, project it

Accepted Answer

A) straight downward. 
B) ahead at satellite speed. 
C) behind at satellite speed.
With a speed of projection 
D) less than satellite speed. 
E) that matches satellite speed.
F)greater than satellite speed.
G)none of the above 
A) straight downward. 
B) ahead at satellite speed. 
C) behind at satellite speed.
With a speed of projection 
D) less than satellite speed. 
E) that matches satellite speed.
F)greater than satellite speed.
G)none of the above

Question 19

An elephant and a feather fall through the air. The force of air resistance is

Accepted Answer

A) greater on the feather 
B) greater on the elephant 
C) the same on each
Because 
D) the feather weighs less. 
E) the elephant encounters more air because of his greater size and speed.
F)each is under the influence of gravitational force alone. 
A) greater on the feather 
B) greater on the elephant 
C) the same on each
Because 
D) the feather weighs less. 
E) the elephant encounters more air because of his greater size and speed.
F)each is under the influence of gravitational force alone.

Question 20

When we drink through a straw, the liquid is actually

Accepted Answer

A) pulled up 
B) sucked up 
C) pushed up
By 
D) atmospheric pressure. 
E) reduced pressure in the straw.
F)surface tension.
G)capillarity. 
A) pulled up 
B) sucked up 
C) pushed up
By 
D) atmospheric pressure. 
E) reduced pressure in the straw.
F)surface tension.
G)capillarity.

Exam 37: Systems of Measurement

Earth satellites are typically more than 100 km high so as to be above Earth's

A cubic meter of lead which weighs 105 N is submerged in water. The buoyant force acting on it is about

In the absence of air resistance, a boulder and a pebble dropped from rest will fall with equal

A stone is thrown downward from a tall cliff and hits the ground below. If it were instead thrown straight upward with the same initial speed, it would end up striking the ground below (neglect air resistance)with

Heat from the Sun gets to Earth by the process of

Radioactive isotope A has a half-life of one year, while radioactive isotope B has a half-life of one day. If equal numbers of atoms of each are present, which will give the highest reading on a Geiger counter?

Which eats more for its size (volume)?

The quantity that tells how warm or cold a body is with respect to some standard body is called

If you were traveling at the speed of light, next to a beam of light, the beam would appear to

A woman standing on the surface of Earth has a mass of 70 kg and a weight of 700 N. If instead she is floating freely inside a non-rotating space habitat far from Earth, her mass would be

Figure T-2 -The heavy boy and light girl are balanced on the seesaw. If they both move inward so that each is exactly half the original distance from the pivot, then the

The force that holds atoms together to form molecules is

A new theory conforms to the Correspondence Principle when it

Figure M-2 -Two vases of different shapes each contain a goldfish. In the position shown, the fish that will feel the greatest pressure is

Figure L-3 -The radiation curve is a plot of light intensity versus frequency for an incandescent source such as a glowing lamp filament. If the source of light were excited atoms in the gaseous phase, the radiation curve would look like

Figure N-4 -Each group in a tug-of-war pulls with 1000 N on each side of the rope. The net force on the rope is

Protons and electrons

To drop a package to Earth from a satellite, project it

An elephant and a feather fall through the air. The force of air resistance is

When we drink through a straw, the liquid is actually

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A cubic meter of lead which weighs 10⁵ N is submerged in water. The buoyant force acting on it is about