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Report for Lab M4

# Report for Lab M4 - LAB REPORT FOR M4 EXPERIMENT PROJECTILE...

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Unformatted text preview: LAB REPORT FOR M4 EXPERIMENT: PROJECTILE MOTION VI-1: In this experiment we studied the flight of a projectile in 2 dimensions under the influence of gravity. Using the apparatus shown below we were able to measure variable associated with projectile motion. The variables here are: Vo = initial velocity = consistant θ = launch angle = 30 degrees Path A E = path of projectile = variable D = Distance of flight = variable H = Height from floor to end of ramp = 105.7cm d = distance from floor to projectile hit = variable h = distance below x-axis = variable The table below contains the data taken from 8 different distances (D), each distance contains 5 trials where distance (h) was calculated by h = H – d. For this report average height 5 ) ( 5 4 3 2 1 h h h h h h + + + + = is included along with standard deviation of height 1 ) ( 2-- = ∑ n h h n n h σ and D h . Trial # D 1 h 2 h 3 h 4 h 5 h h h σ D h 1 36cm 6.0cm 7.7cm 6.2cm 6.9cm 4.5cm 6.3cm 1.2cm 0.17 2 41cm 12.9cm 10.0cm 9.5cm 9.9cm 11.7cm 10.8cm 1.4cm 0.26 3 46cm 16.8cm 19.5cm 19.5cm 16.0cm 18.2cm 18.0cm 1.6cm 0.39 4 51cm 22.9cm 26.1cm 25.2cm 25.3cm 26.5cm 25.2cm 1.4cm 0.49 5 56cm 34.4cm 33.7cm 32.7cm 32.2cm 32.0cm 33.0cm 1.0cm 0.59 6 61cm 39.7cm 44.0cm 44.0cm 44.3cm 45.3cm 43.5cm 2.2cm 0.71 7 66cm 48.7cm 50.0cm 52.4cm 53.2cm 55.2cm 51.9cm 2.6cm 0.79 8 71cm 60.7cm 62.7cm 62.7cm 62.7cm 64.8cm 62.7cm 1.5cm 0.88 VI-2: In this section I have plotted D h vs. D using EXCEL. The table of values as well as the graph is located below. h/D vs. D y = 0.0207x - 0.5707 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 10 20 30 40 50 60 70 80 D (cm) h/D EXCEL calculated the line of best fit to be y = 0.0207x – 0.5707 VI-3: Using the LINEST function in EXCEL the slope S , the uncertainty in slope S σ , y-intercept I and the uncertainty in the y-intercept I σ were all calculated. EXCEL returned the following results: D D h 36cm 0.17 41cm 0.26 46cm 0.39 51cm 0.49 56cm 0.59 61cm 0.71 66cm 0.79 71cm...
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Report for Lab M4 - LAB REPORT FOR M4 EXPERIMENT PROJECTILE...

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