Engineering Mechanics

1501ENG_Lab_Results

Name	Abdullah Ali								v5: 28/02/2014
QIBT ID	ALABC1201
							Marks Breakdown
Experiment 1A
Distance between 1st and 2nd photogates	0.63	±	0.005	m	0.8	%	0.25	0.25	0.5
Distance between 2nd and 3rd photogates	0.54	±	0.005	m	0.9	%	0.25	0.25	0.5
Seconds/Division	0.25	s					1
Time between 1st and 2nd photogates	0.73	±	0.004	s	0.54	%	0.25	0.5	0.25
Speed between 1st and 2nd photogates	0.685	±	0.00744	m/s	1.09	%	0.75	0.75	0.5
Time between 2nd and 3rd photogates	0.65	±	0.004	s	0.62	%	0.25	0.5	0.25
Speed between 2nd and 3rd photogates	0.769	±	0.00822	m/s	1.07	%	0.75	0.75	0.5
Time through 1st photogate	0.034	±	0.001	s	2.9	%	0.25	0.5	0.25
Diameter estimate using 1st photogate	0.0233	±	0.000839	m	3.6	%	0.75	0.75	0.5
Time through 2nd photogate	0.034	±	0.001	s	2.9	%	0.25	0.5	0.25
Time through 3rd photogate	0.034	±	0.001	s	2.9	%	0.25	0.5	0.25
Diameter estimate using 2nd photogate	0.0261	±	0.000819	m	3.14	%	0.75	0.75	0.5
Diameter estimate using 3rd photogate	0.0261	±	0.000824	m	3.16	%	0.75	0.75	0.5
Diameter estimate using a ruler	0.02	±	0.005	m	25	%	0.25	0.5	0.25
Diameter estimate using calipers	0.0254	±	0.0005	m	2	%	0.25	0.25	0.5
							Marks Breakdown
Experiment 1B
Height of track from bench	0.255	±	0.005	m	1.9	%	0.25	0.25	0.5
Length of track	1.6	±	0.005	m	0.31	%	0.25	0.25	0.5
Sine of angle	0.16	±	0.0045		2.8	%	0.75	0.75	0.5
Theoretical acceleration	0.871	±	0.03	m/s2			1	1
Seconds/Division	0.25	s					1
Distance between 1st and 2nd photogates	0.5	±	0.005	m	1	%	0.25	0.5	0.25
Distance between 2nd and 3rd photogates	0.5	±	0.005	m	1	%	0.25	0.5	0.25
Time between 1st and 2nd photogates	0.55	±	0.004	s	0.73	%	0.25	0.5	0.25
Time between 2nd and 3rd photogates	0.4	±	0.002	s	0.5	%	0.25	0.5	0.25
Time through 1st photogate	0.04	±	0.001	s	2.5	%	0.25	0.5	0.25
Time through 2nd photogate	0.028	±	0.001	s	3.5	%	0.25	0.5	0.25
Time through 3rd photogate	0.02	±	0.001	s	5	%	0.25	0.5	0.25
Velocity through 1st photogate	0.635	±	0.011	m/s	1.7	%	0.75	0.75	0.5
Velocity through 2nd photogate	0.907	±	0.045	m/s	4.9	%	0.75	0.75	0.5
Velocity through 3rd photogate	1.27	±	0.068	m/s	5.4	%	0.75	0.75	0.5
Acceleration between 1st and 2nd photogates	0.4945	±	0.06	m/s2			1	1
Acceleration between 2nd and 3rd photogates	0.9075	±	0.051	m/s2			1	1
Acceleration between 1st and 3rd photogates	0.668	±	0.06	m/s2			1	1
							Marks Breakdown
Experiment 2A
Start mark #	1
End mark #	11
Initial distance	0.405	±	0.0015	m	0.37	%	0.25	0.5	0.25
Initial velocity	0.405	±	0.0015	m/s	0.37	%	0.75	0.75	0.5
Start mark #	13
End mark #	23
Final distance	0.405	±	0.0015	m	0.37	%	0.25	0.5	0.25
Final velocity	0.405	±	0.0015	m/s	0.37	%	0.75	0.75	0.5
Percentage change	0	%					1
							Marks Breakdown
Experiment 2B
Mass of 1st glider	0.13728	±	0.00001	kg	3.64	%	0.25	0.25	0.5
Mass of 2nd glider	0.14626	±	0.00001	kg	3.42	%	0.25	0.25	0.5
Start mark #	1
End mark #	11						0.5
Initial distance	1.15	±	0.0015	m	0.13	%	0.25	0.5	0.25
Initial velocity	1.15	±	0.0015	m/s	0.13	%	0.75	0.75	0.5
Start mark #	13						1
End mark #	23						0.5
Final distance	0.547	±	0.0015	m	0.27	%	0.25	0.5	0.25
Final velocity	0.547	±	0.0015	m/s	0.27	%	0.75	0.75	0.5
Initial momentum	0.158	±	0.0022	Ns			1	1
Final momentum	0.155	±	0.00043	Ns			1	1
Initial kinetic energy	0.09	±	0.0027	J			1	1
Final kinetic energy	0.003	±	0.00003	J			1	1
Start mark #	1
End mark #	11						0.5
Initial distance	0.82	±	0.0015	m	0.18	%	0.25	0.5	0.25
Initial velocity	0.82	±	0.0015	m/s	0.18	%	0.75	0.75	0.5
Start mark #	15						1
End mark #	25						0.5
Final distance	0.374	±	0.0015	m	0.4	%	0.25	0.5	0.25
Final velocity	0.374	±	0.0015	m/s	0.4	%	0.75	0.75	0.5
Initial momentum	0.206	±	0.0022	Ns			1	1
Final momentum	0.008	±	0.00043	Ns			1	1
Initial kinetic energy	0.154	±	0.0027	J			1	1
Final kinetic energy	0.019	±	0.00003	J			1	1
Start mark #	2
End mark #	12						0.5
Initial distance	0.583	±	0.0015	m	0.26	%	0.25	0.5	0.25
Initial velocity	0.583	±	0.0015	m/s	0.26	%	0.75	0.75	0.5
Start mark #	23						1
End mark #	33						0.5
Final distance	0.257	±	0.0015	m	0.58	%	0.25	0.5	0.25
Final velocity	0.257	±	0.0015	m/s	0.58	%	0.75	0.75	0.5
Initial momentum	0.205	±	0.0022	Ns			1	1
Final momentum	0.073	±	0.00043	Ns			1	1
Initial kinetic energy	0.154	±	0.0027	J			1	1
Final kinetic energy	0.009	±	0.00003	J			1	1

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