2. Data Record 1)Do some adjustments in order to make sure your strike ball and struck ball had a head-on collision 2) Try the experiment once to verify your calculation 3)If the center of the target-sheet is not hit, analyze the possible reason(s)and make a new calculation. Readjust the device if necessary, especially the start height of the strike ball. (Write down the details of your observation, alculation and adjustment. ) Try again to verify the new calculation Data table No. 1: (Pay attention to the significant figures of your values. D/cm m/g m/g y/cm x/cm ho( Calculated)/em Data table no. 2: Shot position Possible reasons for the AEJJ Ho/cm No. Score 4H,/em (x', z")/cm ' miss-hit (average) H1= Shot position Possible reasons for the AEJ N Score 4H2/cm Ho+AHI x,4)/cm smiss-hit' avera Shot position Possible reasons for the AEvJ No. Scor 4H3/cm H1+4H2 (x', z)/cm smiss-hit' (average) Total energy loss: Ae= zis the distance of the shot position to the middle line of the target paper. It should a smal value 66 2. Data Record 1) Do some adjustments in order to make sure your strike ball and struck ball had a head-on collision. 2) Try the experiment once to verify your calculation. 3) If the center of the target-sheet is not hit, analyze the possible reason(s) and make a new calculation. Readjust the device if necessary, especially the start height of the strike ball. (Write down the details of your observation, calculation and adjustment.) Try again to verify the new calculation. Data table No. 1: (Pay attention to the significant figures of your values.) D/cm m1/g m2/g y/cm x/cm h0(Calculated)/cm Data table No. 2： z' is the distance of the shot position to the middle line of the target paper. It should be a small value. H0/cm No. Score Shot position (x', z')/cm Possible reasons for the "miss-hit" E1/J (average) H1 /cm 1 2 3 H1 = H0+H1 No. Score Shot position (x', z')/cm Possible reasons for the "miss-hit" E2/J (average) H2 /cm 1 2 3 H2 = H1+H2 No. Score Shot position (x', z')/cm Possible reasons for the "miss-hit" E3/J (average) H3 /cm 1 2 3 Total energy loss: E=