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
3
+ 2t
2
- 9t - 5. What would be its instantaneous position at t = 2 seconds?
77 meters
60 meters
7 meters
56 meters
omit
Question 2
What is the cart's displacement between t = 2 seconds and t = 9 seconds?
5264 meters
5341 meters
2557 meters
5418 meters
omit
Question 3
What is the cart's average velocity during the interval t = 2 seconds and t = 9 seconds?
752 m/sec
11.0 m/sec
763.0 m/sec
774.0 m/sec
omit
Question 4
What is the cart's change in velocity during the interval t = 2 seconds and t = 9 seconds?
1746.0 m/sec
554.9 m/sec
101.0 m/sec
1645.0 m/sec
omit
Question 5
What would be its instantaneous acceleration at 9 seconds?
1.94 x 10
2
m/sec
2
4.14 x 10
2
m/sec
2
2.35 x 10
2
m/sec
2
7.93 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
PhysicsLAB
Copyright © 1997-2019
Catharine H. Colwell
All rights reserved.
Application Programmer
Mark Acton