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Speed, velocity, and acceleration
The average velocity is a vector. The average speed is the distance traveled in the time interval ∆t divided by ∆t. The distance is a scalar,
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Determine if the given quantity is a DISTANCE, DISPLACEMENT
If you are needing answers of questions: Determine if the given quantity is a DISTANCE, DISPLACEMENT, SPEED, VELOCITY, or ACCELERATION 1.
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Relative Velocity - Ground Reference - NASA
Airspeed cannot be directly measured from a ground position, but must be computed from the ground speed and the wind speed.
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