Podcast
Questions and Answers
The ______ between t = 1s and t = 4s is equal to the area under the velocity-time curve during that interval.
The ______ between t = 1s and t = 4s is equal to the area under the velocity-time curve during that interval.
displacement
The ______ velocity between t = 0s and t = 2s can be determined by calculating the slope of the position-time graph, or by using the formula average velocity = total displacement / total time.
The ______ velocity between t = 0s and t = 2s can be determined by calculating the slope of the position-time graph, or by using the formula average velocity = total displacement / total time.
average
The instantaneous ______ at t = 5 s can be found by determining the slope of the velocity-time graph at that specific moment.
The instantaneous ______ at t = 5 s can be found by determining the slope of the velocity-time graph at that specific moment.
acceleration
The total ______ traveled between t = 0 s and t = 16s requires considering the areas under the velocity-time curve, taking the absolute value.
The total ______ traveled between t = 0 s and t = 16s requires considering the areas under the velocity-time curve, taking the absolute value.
The object changes direction at the time $t$ when the velocity changes ______.
The object changes direction at the time $t$ when the velocity changes ______.
Flashcards
Displacement
Displacement
Change in position of an object.
Average Velocity
Average Velocity
Total distance traveled divided by total time elapsed.
Instantaneous Acceleration
Instantaneous Acceleration
Rate of change of velocity at a specific moment.
Total Distance Traveled
Total Distance Traveled
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Change of Direction
Change of Direction
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Study Notes
- An object starts moving at t=0 from a position x = 10m.
- The object's velocity as a function of time is shown on the graph.
Calculations
- Displacement between t=1s and t=4s
- Average velocity between t=0s and t=2s
- Instantaneous acceleration when t=5s
- Total distance traveled between t=0s and t=16s
Direction Change
- The object changes direction at t = 8s
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Description
This lesson covers kinematics calculations involving displacement, average velocity, and instantaneous acceleration. It includes determining displacement between specific times, calculating average velocity, and finding instantaneous acceleration from a velocity-time graph. The lesson also identifies when the object changes direction.
