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10 Cards in this Set
- Front
- Back
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Displacement |
Displacement is the vector between where an object begins to move and where it ends up.
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Difference between distance traveled and displacement |
Distance traveled is actually how far you travel, whereas displacement is only the distance fromyour starting point to your endpoint.
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Maria walked two miles east to the grocery store to buy a candy bar. Then, she walked onemore mile east to try to burn off the calories. What is her displacement?
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Three miles east |
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What are the three factors that affect non-uniform motion?
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Speeding up, slowing down, or changing the direction of motion.
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What is the difference between speed and velocity?
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Speed is distance per time. Velocity is speed and direction.
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What is the speed/velocity equation?
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v= distance over time |
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What are the units for displacement, time, and speed?
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Displacement: meters
Time: seconds Speed: m/s |
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Gertrude ran 1,000 meters in 5 minutes. What is her speed?
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5 mins (60 secs over 1 min)= 300 m/s v=distance over time (1000 meters over 300 sec) = 3.3 m/s |
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What is the difference between average velocity and instantaneous velocity?
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Average velocity is the velocity of a traveling object over a long period of time.
Instantaneous velocity is the velocity of a traveling object at a specific point in time |
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Vector |
A quantity that describes both magnitude and direction
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