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REPORT FOR M5 EXPERIMENT

REPORT FOR M5 EXPERIMENT - REPORT FOR M5 EXPERIMENT NEWTONS...

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REPORT FOR M5 EXPERIMENT: NEWTON’S 2 nd LAW The point of this lab was to learn about Newton’s 2 nd Law F=ma VI-2 My data for V-2 is shown below L( cm) t1(s) t2(s) t3(s) t4(s) Average t(s) σ∆ t(s) average t(squared)(s squared) s 5 0.1245 0.1256 0.1313 0.1257 0.1268 0.00307 0.01607 0.1926 10 0.2351 0.2349 0.2352 0.2349 0.2350 0.00015 0.05524 0.7180 20 0.4445 0.4434 0.4434 0.4440 0.4438 0.00053 0.19698 2.5403 30 0.6380 0.6378 0.6360 0.6344 0.6366 0.00169 0.40520 5.1472 Mass on hanger, M = 10.0 g M 1 = M(glider) + M(5 cm flag) + M(10 cm flag) + M(20 cm flag) + M(30 cm flag) =552.9 M 2 = M + M(weight hanger) = 15.65g Start position of glider rear end on the air track: L = 85 cm Final position of glider rear end on the air track: L’ = 55 cm d = L – L’ = 30.0 cm From the data I used excel to graph change in s vs. average t squared Average t squared s 0.01607 0.1926 0.05524 0.7180 0.19698 2.5403 0.40520 5.1472 Slope 12.71378 Intercept 0.008869 Uncertainty in slope 0.08617 Uncertainty in slope 0.019569
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From eq 1b in the lab manual , , we can find the acceleration using the slope from excel Slope= 12.714 =a/2 so a =(12.714)2=25.43 cm/s squared To check the acceleration we use the formula acceleration is a little higher then the value found. I
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