# . What is the best way to determine levelness OR What isthe best way to determine when the slope of

###### Question:

. What is the best way to determine levelness OR What isthe best way to determine when the slope of the glider track iszero?

1. See if the Acceleration versus Time for both directions areboth zero.

2. Plot Position versus Time and compare the linear fit fromeach direction of travel; slopes should be equal.

3. Plot the Acceleration versus Time for one direction andacceleration should be zero.

4. See if slope of Velocity versus Time for both directions areequal but opposite.

5. Plot Position versus Time and compare the linear fit fromeach direction of travel; slopes should be equal but opposite.

6. Plot Velocity versus Time for both directions; slopes shouldbe equal.

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