# Access the following web page&nbsphttp//www.walter-fendt.de/p

Access the following web page: http://www.walter-fendt.de/ph14e/n2law.htmFollow the directions to set the Light Barrier (LB) to a distance (s) of 0.500 meter.Set the mass of the wagon, M, at 200 grams. Use this mass for all determinations.The force that is applied to the wagon is from the hanging mass being acted on by gravity, so that F = m.g, where m is the hanging mass in kg and g is the acceleration due to gravity, 9.8 m/s2. Remember that the mass must be in kg for this calculation.Five runs will be completed using the five hanging mass values in the Table.Calculate the Force applied (mg) and record it in column (2) of the data sheet.Record the time for the wagon to travel 0.500 m in column (3) of the data sheet.Calculate the average velocity of the wagon using Vave = 0.500 m/t, and record it in column (4) of the data sheet.Calculate the final velocity of the wagon using the relationship Vfinal = 2 Vave and record it in Column (5) of the data sheet.Calculate the acceleration of the wagon by dividing the Vf by the time and record it in column (6) of the data sheet.Calculate the acceleration of the wagon + hanging mass using a = F/(M + m) and record it in column (7) of the data sheet. (This assumes a coefficient of friction = 0)DATA TABLEMass of wagon = M = 200 g = 0.200 kgDistance (s) = 0.500 meters(1)HangingMasskg(2)ForceHangingMassX 9,8(3)Timeseconds(4)AverageVelocity0.500/Time(5)FinalVelocityCol (4)X 2(6)awagonCol (5)÷ Time(7)asystemCol (2)÷ (M+m)0.0100.0250.0500.0750.100

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