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              Add menubar with menus and/or other selection UI 
                components that allow the user to selection options for: 
                
                  The drop range. Number of measurement linesValue of the constant gravitational acceleration.Std. Dev. value for the smearing of the measurements
 
Modify the one of the drop simulations to include drag effects. 
                Provide the user the option of setting different drag constants. 
                The user should also have the option to either study the effects 
                of drag on the acceleration or assume a known acceleration and 
                measure the drag constant. 
 
Take the case of the experiment simulation 
                with analysis class and separate out the analysis class into 
                its own standalone application. Let the simulation produce a data 
                file of N number of drops, where N is set by the user. Give the 
                analysis program the ability to read in such a data file and display 
                the fit results. Include histograms showing the distribution of 
                values of interest such as the fitted parameters, the fit residuals 
                distribution (i.e. data[j]-fit[j]), etc. |    |  |