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Statement 1 applies to Questions 15. "An object initially at rest then moves in a straight line and accelerates uniformly at a rate of 2.00 m/s2." After the object has been in motion for four seconds, its speed would be ___ m/s.
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| 6.0 |
| 8.0 |
| 10 |
| 12 |
| 20 |
| some other value |
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The distance traveled by the object during the first five seconds of its travel was ___ m.
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| 6.0 |
| 10 |
| 12 |
| 20 |
| 25 |
| some other value |
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The average speed of the object during the first six seconds of its travel was ___ m/s.
|
| 6.0 |
| 8.0 |
| 10 |
| 12 |
| 16 |
| 20 |
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The average speed of the object during the third second of its motion was ___ m/s.
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| 2.0 |
| 3.0 |
| 4.0 |
| 5.0 |
| 6.0 |
| 8.0 |
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The distance traveled by the object during the fourth second of its travel was ___ m.
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| 2.0 |
| 3.0 |
| 4.0 |
| 5.0 |
| 6.0 |
| 7.0 |
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Statement 2 applies to Questions 67. "An object of mass m initially at rest experiences a constant acceleration of magnitude ao. After a time interval to has elapsed, the speed of the car is vo and it has traveled a distance do." After a total time 3 to has elapsed, the speed of the object will be vo x ___.
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| 1 |
| 2 |
| 3 |
| 4 |
| 8 |
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After a total time 2 to has elapsed, the distance traveled by the object will be do x ___.
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| 1 |
| 2 |
| 3 |
| 4 |
| 8 |
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Statement 3 applies to Questions 813. "Six different objects are observed to move in a straight line. Some aspect of the motion of each of the six objects is plotted as a function of time in the following graphs." Which graph represents a situation in which the object moved with a constant nonzero acceleration?
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|  |
|  |
|  |
|  |
|  |
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Which graph represents a situation in which the object moved with a constant zero acceleration?
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| Graph A |
| Graph B |
| Graph C |
| Graph D |
| Graph E |
| Graph F |
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The slope of the dashed line in Graph B of Question 8 represents ___.
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| an instantaneous position |
| an average position |
| a distance traveled |
| an instantaneous speed |
| an average speed |
| a change in speed |
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The slope of the dashed line in Graph C of Question 8 represents ____.
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| an instantaneous position |
| an average position |
| an instantaneous speed |
| an average speed |
| an instantaneous acceleration |
| an average acceleration |
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The shaded area in Graph D in Question 8 represents ___.
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| an average acceleration |
| an instantaneous position |
| a change in position or a distance traveled |
| a change in speed |
| an instantaneous speed |
| an average speed |
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The shaded area in Graph E in Question 8 represents ___.
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| a change in position |
| an instantaneous position |
| a distance traveled |
| a change in speed |
| an instantaneous speed |
| an average speed |
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This statement applies to Questions 1421. "The speed of an object moving in a straight line changes with time as in the figure below."
For which of the time intervals was the average speed of the object greatest?
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| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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During which time interval did the object travel with a constant nonzero acceleration?
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| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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During which time interval was the average speed least?
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| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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During which time interval did the maximum value of the magnitude of the instantaneous acceleration occur?
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| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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During which time interval was the speed of the object constant?
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| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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During which time interval did the minimum value of the instantaneous speed occur?
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| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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During which time interval was the magnitude of the average acceleration greatest?
|
| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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During which time interval was the magnitude of the average acceleration least?
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| t = 0 to t = 1 s |
| t = 1 to t = 2 s |
| t = 2 to t = 3 s |
| t = 3 to t = 4 s |
| t = 4 to t = 5 s |
| none of the above |
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This statement applies to Questions 2224. "For this series of questions, assume that g = 10.00 m/s2. A small stone originally at rest is dropped over the edge of a very tall building." During the fourth second of the fall, the speed of the stone changes ___ m/s.
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| 5.0 |
| 10 |
| 15 |
| 20 |
| 30 |
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During the second second of fall, the average speed of the stone is ___ m/s.
|
| 5.0 |
| 10 |
| 15 |
| 20 |
| 30 |
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During the first second of fall, the stone falls a distance of ___ m.
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| 5.0 |
| 10 |
| 15 |
| 20 |
| 30 |
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This statement applies to Questions 2528. "For this series of questions, assume that g = 10.00 m/s2. One reaches out over the edge of a tall building and throws a stone straight up with an initial speed of 20.00 m/s." The change in speed of the stone during the first second of its motion is ___ the change in its speed during the third second of its motion.
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| more than |
| less than |
| equal to |
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The distance traveled by the stone during the first second of its motion is ___ the distance traveled by the stone during the second second of its motion.
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| equal to |
| less than |
| more than |
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At the instant the stone is at its maximum altitude, the acceleration of the stone is ___.
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| 10 m/s2 upward |
| 10 m/s2 horizontal |
| 10 m/s2 downward |
| something else |
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The time required for the stone to reach its maximum altitude is ___ s.
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| 1 |
| more than 1 but less than 2 |
| 2 |
| more than 2 |