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agnosticjoe

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## Homework Statement

We had our lab yesterday in engineering physics where we had a car with nearly no friction descending down an incline plane. The incline was at 16 degrees, and we used data studio to record a crazy amount of trials at various distances. The point of this is to calculate gravity.

I should also add, that there was a time taken from when the car passed two gates.. so we have an average of distances vs times (10 sets of data).. that's what the slope is.

**2. Homework Equations and what I've tried**

Originally for the prelab i solved what i considered to be the correct general solution to find acceleration from the position equation of motion.

I came up with -2( r sin 16) / t^2. This is obviously wrong because I'm not getting anywhere near gravity with this.

I'm pretty sure I'm supposed to use the slope of a linear fit of the data points somehow into this, but for some reason i don't really understand how it relates to this equation. I thought the slope for the distance vs time^2 was supposed to be the acceleration.. guess I'm wrong.. anything to help me understand this and get me to the desired solution would be amazing.

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