Monday, December 15, 2014

Lab 4: Air Resistance


We went to the architecture and design building where we would drop coffee filters down from the second floor. We would first drop one coffee filter and add one more each at a time until there became five coffee filters all dropped at once.

The resisting force can be found with the equation, 
F = k*v^n

By taking the natural log of both sides, we derive the equation
ln(F)=ln(k) + nln(V)
where we have to find the value of F and the value of v.

List the mass and value of speed/velocity.


excel sheet of terminal velocities

The terminal velocities are listed below
1 filter: .922m/s
2 filters: 2.129 m/s
3 filters: 1.641 m/s
4 filters: 2.129 m/s
5 filters: 2.525 m/s 

Using the equation 
ln(F)=ln(k) + nln(V)
we derive this graph

We then use excel to calculate the terminal velocities once again.


The experimental values were a bit bigger than the actual values. But not by much. 
Overall it can be said this experiment was successful.

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