Question 1

Three vectors x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" > , x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" > , and x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" > have the following x and y components: Ax = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m
According to the graph, how are x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" > , x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" > , and x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" > combined to result in the vector x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" > ? x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   A)    =   -   -   B)    =   -   +   C)    =   +   -   D)    =   +   +   E)    = -   +   +  " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > = x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > - x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > - x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" >
B)   x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > = x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > - x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > + x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" >
C)   x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > = x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > + x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > - x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" >
D)   x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > = x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > + x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > + x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" >
E)   x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > = - x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > + x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" > + x = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are   ,   , and   combined to result in the vector   ?   
A)     =   -   -   
B)     =   -   +   
C)     =   +   -   
D)     =   +   +   
E)     = -   +   +  " class="answers-bank-image d-inline" rel="preload" >

Question 2

A surveyor wants to find the distance across a river. A stake is placed on each bank of the river as shown in the figure. She measures a distance of 30.0 m from one stake to another on the same side of the river, thus finding the third vertex on a right triangle. She then measures the angle  θ	hetaθ  and finds it equal to 75.9°. What is the distance across the river?

Accepted Answer

A)  89.2 m
B)  15.3 m
C)  119 m
D)  268 m
E)  29.0 m

Question 3

The distance d that a certain particle moves may be calculated from the expression d = at + bt2 where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively?

Accepted Answer

A)   2 where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively? 
A)     
B)  [L], [L]2 
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
B)  [L], [L]2
C)   2 where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively? 
A)     
B)  [L], [L]2 
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
D)   2 where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively? 
A)     
B)  [L], [L]2 
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
E)   2 where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively? 
A)     
B)  [L], [L]2 
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >

Question 4

Complete the following statement: Today, the standard meter is defined in terms of

Accepted Answer

A)  the distance from the earth's equator to the north pole.
B)  the wavelength of light emitted from a krypton atom.
C)  the wavelength of light emitted from a sodium atom.
D)  a platinum-iridium bar kept in France.
E)  the speed of light.

Question 5

Which one of the following is the longest length?

Accepted Answer

A)  100 meters
B)  102 centimeters
C)  104 millimeters
D)  105 micrometers
E)  107 nanometers

Question 6

Complete the following statement: Today, the standard unit of time is defined in terms of

Accepted Answer

A)  the electromagnetic waves emitted by cesium atoms.
B)  the motion of the moon around the earth.
C)  the motion of a precision pendulum.
D)  the average solar day.
E)  the speed of light.

Question 7

The mass of a raindrop is 4 milligrams. Which one of the following statements indicates the correct mass of the raindrop in grams?

Accepted Answer

A)  The raindrop has a mass of 4 × 106 grams.
B)  The raindrop has a mass of 4 × 10-3 grams.
C)  The raindrop has a mass of 4 × 10-1 grams.
D)  The raindrop has a mass of 4 × 103 grams.
E)  The raindrop has a mass of 4 × 10-6 grams.

Question 8

Which one of the following is an SI base unit?

Accepted Answer

A)  gram
B)  slug
C)  newton
D)  centimeter
E)  kilogram

Question 9

Using the dimensions given for the variables in the table, determine which one of the following expressions is correct.

Accepted Answer

A)   
B)  f = 2 π\piπ gl
C)   
D)   
E)

Question 10

The length of each side of a square is 4.0 m. What is the length of the diagonal of the square (shown as a dashed line in the figure) ?

Accepted Answer

A)  2.8 m
B)  8.0 m
C)  5.7 m
D)  6.8 m
E)  16 m

Question 11

Which one of the following pairs of units may not be added together, even after the appropriate unit conversions have been made?

Accepted Answer

A)  grams and milligrams
B)  kilometers and kilograms
C)  miles and kilometers
D)  slugs and kilograms
E)  centimeters and yards

Question 12

During the execution of a play, a football player carries the ball for a distance of 33 m in the direction 58° north of east. To determine the number of meters gained on the play, find the northward component of the ball's displacement.

Accepted Answer

A)  8.0 m
B)  16 m
C)  24 m
D)  28 m
E)  32 m

Question 13

Which one of the following choices is equivalent to 44.5 mm?

Accepted Answer

A)  4.45 × 101 m
B)  4.45 × 10-2 m
C)  44.5 × 10-1 m
D)  44.5 × 10-2 m
E)  4.45 × 100 m

Question 14

Justine and her friends exit the physics classroom and walk 0.70 km to their math class. While walking, Justine's average step length is 58 cm. Approximately, how many steps does she take in walking between these two classes?

Accepted Answer

A)  310
B)  720
C)  1200
D)  3100
E)  7200

Question 15

Three vectors  ,  , and  add together to yield zero:  +  +  = 0. The vectors  and  point in opposite directions and their magnitudes are related by the expression: A = 2C. Which one of the following conclusions is correct?

Accepted Answer

A)    and  have equal magnitudes and point in opposite directions.
B)    and  have equal magnitudes and point in the same direction.
C)    and  have equal magnitudes and point in opposite directions.
D)    and  point in the same direction, but  has twice the magnitude of  .
E)    and  point in the same direction, but  has twice the magnitude of  .

Question 16

Two vectors 2 + B2 = C2. Which statement concerning these vectors is true? A)    and   must be at right angles to each other. B)    and   could have any orientation relative to each other. C)    and   must have equal lengths. D)    and   must be parallel. E)    and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > and 2 + B2 = C2. Which statement concerning these vectors is true? A)    and   must be at right angles to each other. B)    and   could have any orientation relative to each other. C)    and   must have equal lengths. D)    and   must be parallel. E)    and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > are added together to form a vector 2 + B2 = C2. Which statement concerning these vectors is true? A)    and   must be at right angles to each other. B)    and   could have any orientation relative to each other. C)    and   must have equal lengths. D)    and   must be parallel. E)    and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > . The relationship between the magnitudes of the vectors is given by: A2 + B2 = C2. Which statement concerning these vectors is true?

Accepted Answer

A)   2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > and 2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > must be at right angles to each other.
B)   2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > and 2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > could have any orientation relative to each other.
C)   2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > and 2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > must have equal lengths.
D)   2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > and 2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > must be parallel.
E)   2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > and 2 + B2 = C2. Which statement concerning these vectors is true? 
A)     and   must be at right angles to each other. 
B)     and   could have any orientation relative to each other. 
C)     and   must have equal lengths. 
D)     and   must be parallel. 
E)     and   could be antiparallel." class="answers-bank-image d-inline" rel="preload" > could be antiparallel.

Question 17

Which one of the following quantities is a vector quantity?

Accepted Answer

A)  the age of the earth
B)  the mass of a freight train
C)  the earth's pull on your body
D)  the temperature of an iced coffee
E)  the number of people attending a soccer game

Question 18

A 3.0-m ladder leans against a wall and makes an angle with the wall of 28° as shown in the drawing. What is the height h above the ground where the ladder makes contact with the wall?

Accepted Answer

A)  2.6 m
B)  2.3 m
C)  2.1 m
D)  1.9 m
E)  1.6 m

Question 19

A race car will make one lap around a circular track of radius R. When the car has traveled halfway around the track, what is the magnitude of the car's displacement from the starting point?

Accepted Answer

A)  2R
B)  R
C)   π\piπ R
D)  2 π\piπ R
E)  zero meters

Question 20

Three sticks are arranged to form a right triangle. If the lengths of the three sticks are 0.47 m, 0.62 m and 0.78 m, what are the three angles of the triangle?

Accepted Answer

A)  90°, 45°, and 45°
B)  90°, 62°, and 28°
C)  90°, 59°, and 31°
D)  90°, 48°, and 42°
E)  90°, 53°, and 37°

Exam 1: Introduction and Mathematical Concepts

Justine and her friends exit the physics classroom and walk 0.70 km to their math class. While walking, Justine's average step length is 58 cm. Approximately, how many steps does she take in walking between these two classes?

Correct Answer
verified

The mass of a raindrop is 4 milligrams. Which one of the following statements indicates the correct mass of the raindrop in grams?

Correct Answer
verified

Using the dimensions given for the variables in the table, determine which one of the following expressions is correct. $Using the dimensions given for the variables in the table, determine which one of the following expressions is correct. A) B) f = 2 \pi gl C) D) E)$

Correct Answer
verified

Three vectors , , and add together to yield zero: + + = 0. The vectors and point in opposite directions and their magnitudes are related by the expression: A = 2C. Which one of the following conclusions is correct?

Correct Answer
verified

Complete the following statement: Today, the standard meter is defined in terms of

Correct Answer
verified

Which one of the following quantities is a vector quantity?

Correct Answer
verified

During the execution of a play, a football player carries the ball for a distance of 33 m in the direction 58° north of east. To determine the number of meters gained on the play, find the northward component of the ball's displacement.

Correct Answer
verified

A race car will make one lap around a circular track of radius R. When the car has traveled halfway around the track, what is the magnitude of the car's displacement from the starting point?

Correct Answer
verified

A 3.0-m ladder leans against a wall and makes an angle with the wall of 28° as shown in the drawing. What is the height h above the ground where the ladder makes contact with the wall?

Correct Answer
verified

The length of each side of a square is 4.0 m. What is the length of the diagonal of the square (shown as a dashed line in the figure) ?

Correct Answer
verified

Which one of the following is the longest length?

Correct Answer
verified

Which one of the following pairs of units may not be added together, even after the appropriate unit conversions have been made?

Correct Answer
verified

Complete the following statement: Today, the standard unit of time is defined in terms of

Correct Answer
verified

Two vectors and are added together to form a vector . The relationship between the magnitudes of the vectors is given by: A² + B² = C². Which statement concerning these vectors is true?

Correct Answer
verified

Which one of the following is an SI base unit?

Correct Answer
verified

Three sticks are arranged to form a right triangle. If the lengths of the three sticks are 0.47 m, 0.62 m and 0.78 m, what are the three angles of the triangle?

Correct Answer
verified

The distance d that a certain particle moves may be calculated from the expression d = at + bt² where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively?

Correct Answer
verified

Three vectors , , and have the following x and y components: A_x = 1 m, A_y = 0 m, B_x = 1 m, B_y = 1 m, C_x = 0 m, C_y = -1 m According to the graph, how are , , and combined to result in the vector ?

Correct Answer
verified

Correct Answer
verified

Which one of the following choices is equivalent to 44.5 mm?

Correct Answer
verified

Exam 1: Introduction and Mathematical Concepts

Justine and her friends exit the physics classroom and walk 0.70 km to their math class. While walking, Justine's average step length is 58 cm. Approximately, how many steps does she take in walking between these two classes?

Correct AnswerverifiedShow Answer

The mass of a raindrop is 4 milligrams. Which one of the following statements indicates the correct mass of the raindrop in grams?

Correct AnswerverifiedShow Answer

Using the dimensions given for the variables in the table, determine which one of the following expressions is correct.

Correct AnswerverifiedShow Answer

Three vectors , , and add together to yield zero: + + = 0. The vectors and point in opposite directions and their magnitudes are related by the expression: A = 2C. Which one of the following conclusions is correct?

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Complete the following statement: Today, the standard meter is defined in terms of

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Which one of the following quantities is a vector quantity?

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During the execution of a play, a football player carries the ball for a distance of 33 m in the direction 58° north of east. To determine the number of meters gained on the play, find the northward component of the ball's displacement.

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A race car will make one lap around a circular track of radius R. When the car has traveled halfway around the track, what is the magnitude of the car's displacement from the starting point?

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A 3.0-m ladder leans against a wall and makes an angle with the wall of 28° as shown in the drawing. What is the height h above the ground where the ladder makes contact with the wall?

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The length of each side of a square is 4.0 m. What is the length of the diagonal of the square (shown as a dashed line in the figure) ?

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Which one of the following is the longest length?

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Which one of the following pairs of units may not be added together, even after the appropriate unit conversions have been made?

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Complete the following statement: Today, the standard unit of time is defined in terms of

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Two vectors and are added together to form a vector . The relationship between the magnitudes of the vectors is given by: A2 + B2 = C2. Which statement concerning these vectors is true?

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Which one of the following is an SI base unit?

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Three sticks are arranged to form a right triangle. If the lengths of the three sticks are 0.47 m, 0.62 m and 0.78 m, what are the three angles of the triangle?

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The distance d that a certain particle moves may be calculated from the expression d = at + bt2 where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively?

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Three vectors , , and have the following x and y components: Ax = 1 m, Ay = 0 m, Bx = 1 m, By = 1 m, Cx = 0 m, Cy = -1 m According to the graph, how are , , and combined to result in the vector ?

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Which one of the following choices is equivalent to 44.5 mm?

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Using the dimensions given for the variables in the table, determine which one of the following expressions is correct. $Using the dimensions given for the variables in the table, determine which one of the following expressions is correct. A) B) f = 2 \pi gl C) D) E)$

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Two vectors and are added together to form a vector . The relationship between the magnitudes of the vectors is given by: A² + B² = C². Which statement concerning these vectors is true?

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The distance d that a certain particle moves may be calculated from the expression d = at + bt² where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively?

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Three vectors , , and have the following x and y components: A_x = 1 m, A_y = 0 m, B_x = 1 m, B_y = 1 m, C_x = 0 m, C_y = -1 m According to the graph, how are , , and combined to result in the vector ?

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