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Distance is
1. a change in position
2. a measure of how far an object has moved
3. the distance and direction of an object's change on position from a reference point
4. the distance traveled per unit of time
Average speed equals:
1. Distance/Time
2. Time/Distance
3. Distance + Time
Continuing Education Commercial Driving
What three things add up to total stopping distance?
1. Resistance Distance + Perception Distance + Braking Distance.
2. Perception Distance + Reaction Distance + Braking Distance.
3. Visual Distance + Braking Distance + Resistance Distance.
4. Braking Distance + Perception Distance + Lag Time.
5. None of the above.
What is the formula for calculating speed.
1. Distance/time
2. Time/distance
3. Velocity/time
College Analytical Methods
Which of the following equations correctly represents the equation for the retention factor?
1. $R_f = "distance of solvent"/"distance of substance"$
2. $R_f="distance of substance"/"distance of solution"$
3. $R_f="distance of substance"/"distance of solvent front"$
4. None of the above
Which of the following equations represents the $R_{f}$ value?
1. $R_f="distance traveled by spot"/"distance traveled by solvent"$
2. $R_f="distance traveled by solvent"/"distance traveled by solution"$
3. $R_f="distance traveled by solvent"/"distance traveled by solute"$
4. $R_f="distance traveled by solution"/"distance traveled by solvent"$
The change of speed over time.
1. acceleration
2. distance
3. velocity
The slope of a distance-time graph correlates to:
1. acceleration
2. time
3. distance
4. velocity