Questions 1. What is the velocity of the object at t = 15 s? 2. Describe what is happening to the velocity of the object at t = 25 s? 3. What is the average acceleration of the object between t = 0 and t = 5 s? 4. What is the average acceleration of the object between t = 5 s and t = 30 s? 5. What the average acceleration of the object over the entire 40 s time interval?
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.
Direction: Below shows the velocity of an object over a time interval of 40 seconds. Complete the table below then convert the tabulated data into a motion graph by using a graphing paper.
Questions
1. What is the velocity of the object at t = 15 s?
2. Describe what is happening to the velocity of the object at t = 25 s?
3. What is the average acceleration of the object between t = 0 and t = 5 s?
4. What is the average acceleration of the object between t = 5 s and t = 30 s?
5. What the average acceleration of the object over the entire 40 s time interval?
6. What is the instantaneous acceleration of the object at t = 35 s?
7. How far did the object travel between t = 5 s and t = 15 s?
8. What is the object’s displacement between t = 15 s and t = 20 s?
9. Find the displacement of the object over the entire 40 s time interval.
10. The area under a velocity-time graph between any two times gives the _______________ during that interval.
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