Formal Write up
What is acceleration due to gravity?
Mass independence Height dependence Show that g=9.8m/s^2 using G=
6.67 x10^-11 Formula: Fg=GM/r^2
There are companies out there that are
interested in determining “g” accurately? What techniques do they use? (Make a
research) These companies are researching g in the 3rd decimal
Results and Discussion
PART A: Position vs time graph (plug the
information of the graph in the excel and place the graph in the word
document-comment on shape of graph and whether it is consistent with kinematic
equation y-yo=Voyt+1/2ayt^2. In excel do 2nd order polynomial
trend-line fit and find acceleration due to gravity from trend line equation).
EACH TABLE NEEDS TO HAVE A GRAPH
acceleration(cm/s^2) from trend line eq. over %error (accept value 980cm/s^2)
PART B: Velocity over time
Graph 2 on excel velocity
over time. Comment on shape of graph and is it consistent with kinematic
equation V=Vo+at ? Do a linear trend-line fit to determine acceleration from
Conclusion: Comment on the
obtained acceleration values and explain why it might be different.
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