19494511
Description
Flashcards by Melanie Essink, updated more than 1 year ago
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Created by Melanie Essink
about 6 years ago
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| Question | Answer |
| Units of velocity | m/s |
| Units of acceleration | m/s/s (or m/s²) |
| Units of displacement | m |
| What does the slope represent? v = (3m/s/s)t + 8m/s | acceleration |
| What does the y-intercept represent? v = (3m/s/s)t + 8m/s | initial velocity |
| What is the initial position? x = (6m/s/s)t² + 2m | 2m |
| What is the acceleration? x = (6m/s/s)t² + 2m | 12m/s/s |
| Displacement (definition) | change of position |
| Velocity (definition) | rate of change of position |
| Acceleration (definition) | rate of change of velocity |
| Displacement (formula) | Δx = xf - xi |
| Velocity (formula) | velocity = displacement/time |
| General velocity math model for accelerated motion | v = at + v₀ |
| General position math model for accelerated motion | x = (1/2a)t² + v₀t + x₀ |
| What does the slope of this graph give you? | velocity |
| What does the slope of this graph give you? | acceleration |
| How can you find the velocity of an object from looking at a graph? | slope of a position vs. time graph |
| How can you find the acceleration of an object from looking at a graph? | slope of a velocity vs. time graph |
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