Phys 1 Student Workbook.pdf

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Physics Labs with Computers, Vol. 1Student WorkbookP20: Conservation of Mechanical Energy 012-07000APART IIIB: Data Recording1. Put the mass bar in the accessory tray of the cart and measure the mass of the cart plus bar.Record the total mass value in the Data Table in the Lab Report section.2. Repeat the data recording process as in Part IIIA.• The three data runs should appear as Run #4, #5 and #6.Analyzing the Data1. Use the Calculator to make a calculation for Kinetic Energy.In DataStudio , double click on the calculation for Kinetic Energy in the Summary Window. TheCalculator window will open. The window shows the calculation for Kinetic Energy thatwas created as part of this activityThe cart mass is stored as an ‘ExperimentConstant’. If the total mass value for your cartis different than the value listed, in theExperiment Constants section, click on themenu button ( ) and select ‘Cart Mass’from the list. Highlight the mass value in the‘Value’ window and type in your total massvalue.Click the ‘Accept’ button to save your change.Close the Experiment Calculator window.In ScienceWorkshop , to create a calculation for Kinetic Energy, click the Calculator button( ) in the Experiment Setup window.In the formula area, type ‘0.5’ and then click the multiplication button ( ).Type the total mass value for the mass of your cart such as 0.500, and click themultiplication button again.Click the ‘INPUT Menu’ button ( ).Select ‘Digital 1, Velocity (v)’ from theINPUT menu. Type “^2”.Type ‘Kinetic Energy’ in the CalculationName area. Type ‘KE’ in the Short Namearea. Type ‘J’ in the Units area. Press or on the keyboard.p. 140 ©1999 PASCO scientific P20
Name _____________________ Class ______________ Date _________2. Open a Graph and Table for your Kinetic Energy data from Run #1.3. Use the Statistics button to find the Mean value for the KE in Run #1, and record this valuein the Data Table in the Lab Report section.4. Repeat the process for the next two runs of data. Record the Mean value of the KE for Run#2 and Run #3 in the Data section.5. Change the value of the mass in the formula for kinetic energy (KE) to take into accountthe extra mass for the three data runs Part IIIB.In DataStudio , double click on the Kinetic Energy calculation in the Summary window. In the‘Experiment Constants’ section, click the menu button ( ) and select ‘Cart Mass’ fromthe list. Highlight the mass value in the ‘Value’ window and type in your total mass value.Click the ‘Accept’ button to save your change. Close the Experiment Calculator window.In ScienceWorkshop , click on the select ‘Calculator Window’ from the Experiment menu.Highlight the value of the mass of the cart in the formula area. Type in the value of themass of the cart plus the bar. Click the ‘equals’ button in the Experiment Calculator toenter the change. Close the Experiment Calculator window.6. Find the Mean value for the KE of Run #4, and record this value in the Data section.7. Repeat the process for the last two runs of data.8. Calculate the elastic potential energy based on k and x. Record the values in the DataTable.Record your results in the Lab Report section.P20 ©1999 PASCO scientific p. 141
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Phys 1 Student Workbook.pdf

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