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Calculations:
Example:
Data Point 21 (0.994 sec)
(0.885)^2 + (.578)^2 = R^2
1.1173 = R^2
1.057 m/s^2 = R
Data at 8 km/hr
Data at 16 km/hr
1. Measure the radius of the curve
2. Zero out accelerometer
3. Set cruise control to 8 km/hr
4. Proced to go around curve
5. Record data using Venier app
6. Repeat steps 1-5 three times
7. Repeat steps 1-6 changing it to 16 km/hr
8. Calculate resultant vector (omit first second of data/nelgible) every 15 data points displayed
Independent variable: Speed of car
Dependent Variable: Acceleration
Controls: Radius of corner, Car, Driver
If the object remains at a constant speed as it goes around a corner, then velocity will change causing a change in acceleration.