Homework Help: AP Physics

Posted by Sydney on Tuesday, February 19, 2013 at 2:52am.

So my question is about projectile motion. We just learned in class about the equation for finding the range: R=v^2sin(2theta)/g

I understand that and I think I see where it comes from. My question is, if someone were to collect data on the projectile range for different angles at a constant initial velocity, and then make a graph with range on the y-axis, what values should I use for the x-axis to create a linear graph?

I know it's not theta, because that wouldn't give me a straight line, since R is the same for different thetas. (Ex range is the same for a 30 degree angle and a 60 degree angle)

??

AP Physics - drwls, Tuesday, February 19, 2013 at 7:34am
For a linear graph, plot sin(2theta) as the x axis variable.
theta = 30 and 60 degrees will have the same x value when plotted.
AP Physics - Sydney, Tuesday, February 19, 2013 at 6:15pm
Thanks!

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