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) = 5t
2
- 5t + 11. What would be its instantaneous position at t = 5 seconds?
125 meters
111 meters
100 meters
16 meters
omit
Question 2
What is the cart's displacement between t = 5 seconds and t = 10 seconds?
461 meters
572 meters
111 meters
350 meters
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Question 3
What is the cart's average velocity during the interval t = 5 seconds and t = 10 seconds?
70 m/sec
22.2 m/sec
114.4 m/sec
92.2 m/sec
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Question 4
What is the cart's change in velocity during the interval t = 5 seconds and t = 10 seconds?
23.9 m/sec
45.0 m/sec
95.0 m/sec
50.0 m/sec
omit
Question 5
What would be its instantaneous acceleration at 10 seconds?
9.5 x 10
0
m/sec
2
1 x 10
1
m/sec
2
4.78 x 10
0
m/sec
2
1 x 10
1
m/sec
2
omit
Question 6
True or False. The acceleration in
Question 5
was constant between between t = 5 seconds and t = 10 seconds?
True
False
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