Catapult Review
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# of times we hit the target during test (ask Powell if you forgot)
Focus on the x-variables.   Compare the first dot you highlighted to the last dot you highlighted on the graph.
How do d (m), v(m/s), a(m/s/s) and t(s) compare?   Calculate the average velocity, change in t, and change in v compare?  Show your work and the data in the box.
Focus on the y-variables.   Compare the first dot you highlighted to the last dot you highlighted on the graph.
How do d (m), v(m/s), a(m/s/s) and t(s) compare?   Calculate the average velocity, change in t, and change in v compare?  Show your work and the data in the box.
The x- and y- variables are graphed on a d vs. t graph.  What does a curve on a d-t graph mean?   What about a diagonal line?   What about a horizontal line?  Explain.
Based on its original x-velocity and y-velocity, how far could your catapult throw if it was on a table 1 m off the floor and a(g) = 10 m/s/s
Show work.
What did your analysis determine for the experimental value of a(g) in m/s/s?
How realistic was your initial v(y), based on data?  Why do you believe that?
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