time(s) position (cm) 0 49.0 5 38.0 10 43.0 15 40.0 20 60.0 A. What is the displacement of the cat between t = 5.00 s and t = 20.0 s? B. What is the average velocity of the cat between t = 5.00 s and t = 20.0 s?
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
A group of students in a science class monitored the movement of a cat walking along with a straight line and recorded the cat's position in five-second intervals.The results are summarized it in the table below.
time and position
|
time(s) |
position (cm) |
|
0 |
49.0 |
|
5 |
38.0 |
|
10 |
43.0 |
|
15 |
40.0 |
|
20 |
60.0 |
- A. What is the displacement of the cat between t = 5.00 s and t = 20.0 s?
- B. What is the average velocity of the cat between t = 5.00 s and t = 20.0 s?
- C.What is the distance the cat traveled between t = 5.00 s and t = 20.0 s?
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