How did the Change in the Weight of the Bob Affect the Resulting Period and Frequency?

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List the sources for errors in your experiment.

 

Pendulum and the Calculation of g

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Questions

A. How did the change in the weight of the bob affect the resulting period and frequency?

B. How did the change in amplitude affect the resulting period and frequency of a pendulum?

C. How did the change in length of the pendulum affect the period and frequency?

E. Calculate average value for g using the values from the table 3. Using the accepted value of g=9.8m/s², calculate the % error.

F. List the sources for errors in your experiment.

 

Hooke’s Law

Record the cumulative stretch ( elongation) for one spring . Make sure you don’t stretch the spring beyond the elasticity limits.

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Calculations and Analysis:

1. Plot the Force (y-axis) vs elongation (x-axis) on a computer spreadsheet or on piece of paper. Insert the graph (Excel or picture) in the space below:

2. Find the spring constant for the spring in Newton/meters from the slope the graph. (Refer to the Excel tutorial in the Introduction section or/and read ecampus instructions. k=

3. A student measured 15s for the 20 complete oscillations for an object of 200g attached at the free end of a spring. Calculate the period of oscillation (T) and the spring constant (k). Write the equation used and then the numerical values.
 
 

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