Question 1

An object moves along the horizontal axis as shown on the diagram. At which point or points is its acceleration zero?

Accepted Answer

A)  A and E 
B)  B, D, and E 
C)  C only 
D)  E only 
E)  B and D 
A)  A and E 
B)  B, D, and E 
C)  C only 
D)  E only 
E)  B and D A

Question 2

Use the following to answer question :  
-In which graph does the particle have no acceleration at t = 5 s?

Accepted Answer

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

Question 3

A Ford truck enters a highway and travels at a uniform speed of 50 mph. Half an hour later a Jaguar enters the highway at the same junction and heads in the same direction at 55 mph. How long after the Ford entered the highway does the Jaguar catch up with the truck?

Accepted Answer

A)  5.0 hrs 
B)  6.0 hrs 
C)  1.0 hrs 
D)  1.6 hrs 
E)  5.5 hrs 
A)  5.0 hrs 
B)  6.0 hrs 
C)  1.0 hrs 
D)  1.6 hrs 
E)  5.5 hrs E

Question 4

A car and a truck, starting from rest, have the same acceleration, but the truck accelerates for twice the length of time. Compared with the car, the truck will travel

Accepted Answer

A)  twice as far. 
B)  three times as far. 
C)  1.4 times as far. 
D)  four times as far. 
E)  one-half as far. 
A)  twice as far. 
B)  three times as far. 
C)  1.4 times as far. 
D)  four times as far. 
E)  one-half as far.

Question 5

The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. Use the graph below to answer the next question.  
-The speed of the car at 5 s is ____ speed at 20 s.

Accepted Answer

A)  less than the 
B)  equal to the 
C)  greater than the 
D)  unable to tell 
E)  depends on what happens when it is accelerating between 10 and 15 s. 
A)  less than the 
B)  equal to the 
C)  greater than the 
D)  unable to tell 
E)  depends on what happens when it is accelerating between 10 and 15 s.

Question 6

Use the following to answer question :  
-In which graph of v versus t does the particle end up closest to its starting point?

Accepted Answer

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

Question 7

A ball is dropped from the top of a building. In the absence of air resistance, the ball will hit the ground with a speed of 49 m/s. The height of the building is

Accepted Answer

A)  25 m 
B)  5 m 
C)  240 m 
D)  120 m 
E)  10 m 
A)  25 m 
B)  5 m 
C)  240 m 
D)  120 m 
E)  10 m

Question 8

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s2 for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

Accepted Answer

A)  20 cm/s 
B)  35 cm/s 
C)  38 cm/s 
D)  100 cm/s 
E)  12 cm/s 
A)  20 cm/s 
B)  35 cm/s 
C)  38 cm/s 
D)  100 cm/s 
E)  12 cm/s

Question 9

A particle that is moving along a straight line decelerates uniformly from 40 cm/s to 20 cm/s in 5.0 s and then has a constant acceleration of 20 cm/s2 during the next 4.0 s. The average speed over the whole time interval is

Accepted Answer

A)  57 cm/s 
B)  140 cm/s 
C)  86 cm/s 
D)  43 cm/s 
E)  97 cm/s 
A)  57 cm/s 
B)  140 cm/s 
C)  86 cm/s 
D)  43 cm/s 
E)  97 cm/s

Question 10

A particle moves from x1 = -50 cm to x2 = 30 cm. The displacement of this particle is

Accepted Answer

A)  -50 cm 
B)  30 cm 
C)  80 cm 
D)  -30 cm 
E)  -80 cm 
A)  -50 cm 
B)  30 cm 
C)  80 cm 
D)  -30 cm 
E)  -80 cm

Question 11

Use the following to answer question :  
-Which graph of v versus t best describes the motion of a particle with positive velocity and negative acceleration?

Accepted Answer

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

Question 12

If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s2, how many times the radius of our Solar System (i.e., the distance from the Sun to Pluto = 5.9 $\times$ 109 km) would the spaceship have traveled?

Accepted Answer

A)  78 
B)  7.8 $\times$10-2  
C)  2.6 $\times$10-10  
D)  2.6 $\times$ 10-7  
E)  7.8 $\times$ 10-1  
A)  78 
B)  7.8 $\times$10-2  
C)  2.6 $\times$10-10  
D)  2.6 $\times$ 10-7  
E)  7.8 $\times$ 10-1

Question 13

The graph represents the displacement of a particle along the x axis as a function of time. The interval in which the velocity of this particle is negative is

Accepted Answer

A)  a-b 
B)  b-c 
C)  d-e 
D)  c-d 
E)  none of these is correct. 
A)  a-b 
B)  b-c 
C)  d-e 
D)  c-d 
E)  none of these is correct.

Question 14

A Lamborghini sports car can accelerate from zero to 60 mph in 4 seconds. It can decelerate from 60 mph to rest in 120 ft. What is the ratio of average acceleration over average deceleration? (1 mile = 5280 ft)

Accepted Answer

A)  1.74 $\times$ 10-5  
B)  1.47 
C)  0.682 
D)  0.0114 
E)  0.688 
A)  1.74 $\times$ 10-5  
B)  1.47 
C)  0.682 
D)  0.0114 
E)  0.688

Question 15

The graph shows how the position of a particle depends on time. Which choice is closest to the instantaneous speed of the particle at t = 3 s?

Accepted Answer

A)  0.40 m/s 
B)  0.67 m/s 
C)  0.75 m/s 
D)  1.50 m/s 
E)  2.22 m/s 
A)  0.40 m/s 
B)  0.67 m/s 
C)  0.75 m/s 
D)  1.50 m/s 
E)  2.22 m/s

Question 16

Two of the graphs shown are INCORRECT for a particle undergoing one-dimensional motion with constant acceleration. They are

Accepted Answer

A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  4 and 5 
E)  1 and 5 
A)  1 and 2 
B)  2 and 3 
C)  3 and 4 
D)  4 and 5 
E)  1 and 5

Question 17

The displacement of an object for a round trip between two locations

Accepted Answer

A)  is always greater than zero. 
B)  is always less than zero. 
C)  is zero. 
D)  can be greater than or less than but not equal to zero. 
E)  can have any value. 
A)  is always greater than zero. 
B)  is always less than zero. 
C)  is zero. 
D)  can be greater than or less than but not equal to zero. 
E)  can have any value.

Question 18

The velocity of a particle is given by v(t) = 3t. The average velocity for the particle between t = 2 and 4 s is

Accepted Answer

A)  4 m/s 
B)  6 m/s 
C)  9 m/s 
D)  12 m/s 
E)  18 m/s 
A)  4 m/s 
B)  6 m/s 
C)  9 m/s 
D)  12 m/s 
E)  18 m/s

Question 19

The displacement of an object during any time interval is always ________ the distance it travels during that same time interval.

Accepted Answer

A)  greater than or equal to 
B)  less than or equal to 
C)  equal to 
D)  greater than 
E)  much greater than 
A)  greater than or equal to 
B)  less than or equal to 
C)  equal to 
D)  greater than 
E)  much greater than

Question 20

Two baseballs are thrown vertically up from the ground at the same speed, one on Earth, and one on Mars. The baseball on Earth reaches a maximum height of 25 m. Which ball hits the ground first and by what time difference? (gMars = 0.38 gEarth)

Accepted Answer

A)  Mars by 7.4 s 
B)  Earth by 7.4 s 
C)  Earth by 3.7 s 
D)  Mars by 3.7 s 
E)  Earth by 2.7 s 
A)  Mars by 7.4 s 
B)  Earth by 7.4 s 
C)  Earth by 3.7 s 
D)  Mars by 3.7 s 
E)  Earth by 2.7 s

An object moves along the horizontal axis as shown on the diagram. At which point or points is its acceleration zero?

Use the following to answer question : -In which graph does the particle have no acceleration at t = 5 s?

A Ford truck enters a highway and travels at a uniform speed of 50 mph. Half an hour later a Jaguar enters the highway at the same junction and heads in the same direction at 55 mph. How long after the Ford entered the highway does the Jaguar catch up with the truck?

A car and a truck, starting from rest, have the same acceleration, but the truck accelerates for twice the length of time. Compared with the car, the truck will travel

The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. Use the graph below to answer the next question. -The speed of the car at 5 s is ____ speed at 20 s.

Use the following to answer question : -In which graph of v versus t does the particle end up closest to its starting point?

A ball is dropped from the top of a building. In the absence of air resistance, the ball will hit the ground with a speed of 49 m/s. The height of the building is

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s² for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

A particle that is moving along a straight line decelerates uniformly from 40 cm/s to 20 cm/s in 5.0 s and then has a constant acceleration of 20 cm/s² during the next 4.0 s. The average speed over the whole time interval is

A particle moves from x₁ = -50 cm to x₂ = 30 cm. The displacement of this particle is

Use the following to answer question : -Which graph of v versus t best describes the motion of a particle with positive velocity and negative acceleration?

If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s², how many times the radius of our Solar System (i.e., the distance from the Sun to Pluto = 5.9 $\times$ 10⁹ km) would the spaceship have traveled?

The graph represents the displacement of a particle along the x axis as a function of time. The interval in which the velocity of this particle is negative is

A Lamborghini sports car can accelerate from zero to 60 mph in 4 seconds. It can decelerate from 60 mph to rest in 120 ft. What is the ratio of average acceleration over average deceleration? (1 mile = 5280 ft)

The graph shows how the position of a particle depends on time. Which choice is closest to the instantaneous speed of the particle at t = 3 s?

Two of the graphs shown are INCORRECT for a particle undergoing one-dimensional motion with constant acceleration. They are

The displacement of an object for a round trip between two locations

The velocity of a particle is given by v(t) = 3t. The average velocity for the particle between t = 2 and 4 s is

The displacement of an object during any time interval is always ________ the distance it travels during that same time interval.

Two baseballs are thrown vertically up from the ground at the same speed, one on Earth, and one on Mars. The baseball on Earth reaches a maximum height of 25 m. Which ball hits the ground first and by what time difference? (g_Mars = 0.38 g_Earth)

Systems of Measurement

Motion in Two and Three Dimensions

Newtons Laws

Applications of Newtons Laws

Work and Energy

Conservation of Energy

Systems of Particles and Conservation of Linear Momentum

Rotation

Conservation of Angular Momentum

Gravity

Static Equilibrium and Elasticity

Fluids

Oscillations

Wave Motion

Superposition and Standing Waves

Temperature and the Kinetic Theory of Gases

Heat and the First Law of Thermodynamics

The Second Law of Thermodynamics

Thermal Properties and Processes

Filters

Exam 2: Motion in One Dimension

An object moves along the horizontal axis as shown on the diagram. At which point or points is its acceleration zero?

Use the following to answer question : -In which graph does the particle have no acceleration at t = 5 s?

A Ford truck enters a highway and travels at a uniform speed of 50 mph. Half an hour later a Jaguar enters the highway at the same junction and heads in the same direction at 55 mph. How long after the Ford entered the highway does the Jaguar catch up with the truck?

A car and a truck, starting from rest, have the same acceleration, but the truck accelerates for twice the length of time. Compared with the car, the truck will travel

The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. Use the graph below to answer the next question. -The speed of the car at 5 s is ____ speed at 20 s.

Use the following to answer question : -In which graph of v versus t does the particle end up closest to its starting point?

A ball is dropped from the top of a building. In the absence of air resistance, the ball will hit the ground with a speed of 49 m/s. The height of the building is

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s2 for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

A particle that is moving along a straight line decelerates uniformly from 40 cm/s to 20 cm/s in 5.0 s and then has a constant acceleration of 20 cm/s2 during the next 4.0 s. The average speed over the whole time interval is

A particle moves from x1 = -50 cm to x2 = 30 cm. The displacement of this particle is

Use the following to answer question : -Which graph of v versus t best describes the motion of a particle with positive velocity and negative acceleration?

If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s2, how many times the radius of our Solar System (i.e., the distance from the Sun to Pluto = 5.9 ×\times× 109 km) would the spaceship have traveled?

The graph represents the displacement of a particle along the x axis as a function of time. The interval in which the velocity of this particle is negative is

A Lamborghini sports car can accelerate from zero to 60 mph in 4 seconds. It can decelerate from 60 mph to rest in 120 ft. What is the ratio of average acceleration over average deceleration? (1 mile = 5280 ft)

The graph shows how the position of a particle depends on time. Which choice is closest to the instantaneous speed of the particle at t = 3 s?

Two of the graphs shown are INCORRECT for a particle undergoing one-dimensional motion with constant acceleration. They are

The displacement of an object for a round trip between two locations

The velocity of a particle is given by v(t) = 3t. The average velocity for the particle between t = 2 and 4 s is

The displacement of an object during any time interval is always ________ the distance it travels during that same time interval.

Two baseballs are thrown vertically up from the ground at the same speed, one on Earth, and one on Mars. The baseball on Earth reaches a maximum height of 25 m. Which ball hits the ground first and by what time difference? (gMars = 0.38 gEarth)

Systems of Measurement

Motion in Two and Three Dimensions

Newtons Laws

Applications of Newtons Laws

Work and Energy

Conservation of Energy

Systems of Particles and Conservation of Linear Momentum

Rotation

Conservation of Angular Momentum

Gravity

Static Equilibrium and Elasticity

Fluids

Oscillations

Wave Motion

Superposition and Standing Waves

Temperature and the Kinetic Theory of Gases

Heat and the First Law of Thermodynamics

The Second Law of Thermodynamics

Thermal Properties and Processes

Filters

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s² for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

A particle that is moving along a straight line decelerates uniformly from 40 cm/s to 20 cm/s in 5.0 s and then has a constant acceleration of 20 cm/s² during the next 4.0 s. The average speed over the whole time interval is

A particle moves from x₁ = -50 cm to x₂ = 30 cm. The displacement of this particle is

If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s², how many times the radius of our Solar System (i.e., the distance from the Sun to Pluto = 5.9 $\times$ 10⁹ km) would the spaceship have traveled?

Two baseballs are thrown vertically up from the ground at the same speed, one on Earth, and one on Mars. The baseball on Earth reaches a maximum height of 25 m. Which ball hits the ground first and by what time difference? (g_Mars = 0.38 g_Earth)