Practice Problems
Kinematics Functions
Directions:
On this worksheet you will work with position, velocity, and acceleration functions expressed in terms of time.
omit
Question 1
Given that a cart obeys the position function s(t) = 7t
^{1}
+ 8. What would be its instantaneous position at t = 2 seconds?
22 meters
30 meters
10 meters
14 meters
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Question 2
What is the cart's displacement between t = 2 seconds and t = 9 seconds?
57 meters
49 meters
71 meters
93 meters
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Question 3
What is the cart's average velocity during the interval t = 2 seconds and t = 9 seconds?
7 m/sec
3.1 m/sec
13.3 m/sec
10.1 m/sec
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Question 4
What is the cart's change in velocity during the interval t = 2 seconds and t = 9 seconds?
8.0 m/sec
-3.1 m/sec
7.0 m/sec
0 m/sec
omit
Question 5
What would be its instantaneous acceleration at 9 seconds?
-3.46 x 10
^{-1}
m/sec
^{2}
1 x 10
^{0}
m/sec
^{2}
0.0 m/sec
^{2}
8.89 x 10
^{-1}
m/sec
^{2}
omit
Question 6
True or False. The acceleration in
Question 5
was constant between between t = 2 seconds and t = 9 seconds?
True
False
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