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Velocity Notes What is velocity? How is velocity measured? How does velocity show both speed and direction? A car is traveling from L.A. to San Francisco (1200 km in 10 hours). What is car’s velocity? Velocity is speed (Dist/Time) in a given direction (N,S,E,W). Velocity is measured in units like m/sec W or km/hr NE. A car traveling from BHMS to Tijuana (80 km in 1 hour) would have a velocity of 80 km/hr S.

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How are velocities combined? (draw picture) If two velocities are in the same direction they are added together. WIND = 10 km/hr West Current = 5 km/hr West Total Velocity = 15 km/hr West

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How are velocities in opposite directions combined? (draw picture) If velocities are in the opposite direction they are subtracted. WIND = 10 km/hr West Current = 5 km/hr East Total Velocity = 5 km/hr West

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Answer this Question Why do rockets take off in the same direction as the earth’s rotation?

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Answer this Question Why does it take less time to fly from California to New York than to go from NY to California? JET STREAM

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Summary Write the shortest summary you can that uses the following words: Velocity, speed, direction, km/hr East, same, opposite, add, subtract,.

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