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Acceleration

Acceleration - 20 3 30 4 40 5 50 X(m t(s t(s Positive...

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Time Interval Ave. Velocity During Time Interval Distance Traveled During Time Interval Total Distance Traveled from 0 s to End of Time Interval 0 - 1 s ~ 5 m/s ~ 5 m ~ 5 m 1 -2 s ~ 15 m/s ~ 15 m ~ 20 m 2 - 3 s ~ 25 m/s ~ 25 m ~ 45 m 3 - 4 s ~ 35 m/s ~ 35 m ~ 80 m Note: The ~ symbol as used here means approximately.

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Terms Written Definition Symbol Unit Instantaneous velocity Acceleration
What’s the acceleration?

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The general RULE OF THUMB is: Object slows - acceleration is in the opposite direction of its motion (velocity). Objects speeds up - acceleration is in the same direction as its motion (velocity) Slowing down Speeding up +v, -a -v, +a +v, +a -v, -a
Time (s) Velocity (m/s) 0 10 1 10 2 10 3 10 4 10 5 10

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Time (s) Velocity (m/s) 0 0 1 10 2 20 3 30

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Unformatted text preview: 20 3 30 4 40 5 50 X (m) t (s) t (s) Positive Velocity (object moves away from origin) t (s) X (m) t (s) t (s) Negative Velocity (object moves toward the origin) t (s) New Graphs (x vs t) (v vs t) (a vs t) Written Description (start pt) (direction) (vel) (accel.) Motion Map rollerskating cow X (m) t (s) m = ∆y/∆x = V (m/s) t (s) m = ∆y/∆x = V (m/s) t (s) t (s) Area = X (m) t (m) A B C D E F G ● ● ● ● ● ● ● + + + From 0 s to 4 s: slope = 0 m/s/s From 4 s to 8 s: slope = 2 m/s/s Time (s) Velocity (m/s) 2 1 2 2 2 3 2 4 2 5 4 6 6 7 8 8 10...
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Acceleration - 20 3 30 4 40 5 50 X(m t(s t(s Positive...

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