Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
A particle starts by moving to the
right along a horizontal line; the graph of its position function is shown in the
graph.
For which time interval is the particle’s velocity the
greatest? |  | | |
a. | (0, 1) | d. | (2, 4) | b. | (1, 2) | e. | (4, 5) | c. | (1,
4) | f. | (5,
7) |
|
|
|
2.
|
A particle starts by moving to the
right along a horizontal line; the graph of its velocity function is shown in the graph from
t = 0 seconds to t = 6 seconds.
For which interval of time is the
particle moving to the left (or backwards) based on the graph? | | | |
a. |  | d. |  | b. |  | e. |  | c. |  | f. | Not Enough
Information was provided. |
|
|
|
3.
|
A particle moves along a straight line with equation of motion  . Find the instantaneous velocity of the particle at time  .
|
|
|
4.
|
A particle starts by moving to the
right along a horizontal line; the graph of its position function is shown in the graph from
t = 0 seconds to t = 6 seconds.
What would be the only graph below that is a
possible graph of the velocity of the particle based on the graph of the position of the
function? | | | |
|
|
|
5.
|
A particle starts by moving to the
left along a horizontal line; the graph of its velocity function in feet per second is shown
in the graph from t = 0 seconds to t = 7 seconds
What is the
acceleration of the particle at
t = 2 seconds? | | | |
a. | - 2 ft/s2 | d. | 2 ft/s2 | b. | 0 ft/s2 | e. | 2.2 ft/s2 | c. | 1
ft/s2 | f. | 3
ft/s2 |
|
|
|
6.
|
The equation of motion of a particle is defined by  ,
where ‘ s’ is in meters and ‘ t’ is in seconds.
(Assume  .)
Find the time(s) at which
the acceleration of the particle is 0.
|