Physics lab report

Sheet1

Harmonic Number n	Frequency of Vibrator f(Hz)	Length of String Ln(m)	Hanging mass m(kg)	(fL/n)^2 (Hz.meter)^2										→原数据	Harmonic	f	L	m	(fL/n)^2
7	170	0.79	0.07	368.092											7	153	0.812	0.07	314.991504
6	130	0.97	0.09	441.700											6	99	1.155	0.09	363.18830625
5	95	1.155	0.11	481.583											5	95	1.155	0.11	481.583025
4	81	1.148	0.13	540.423											4	81	1.155	0.13	547.0336265625
3	75	0.954	0.15	568.823											3	65	1.155	0.15	626.250625
2	55	0.943	0.17	672.495											2	50	1.155	0.17	833.765625
1	50	0.588	0.19	864.360											1	50	0.656	0.19	1075.84
10.624712
0.0841542857
																→原数据	Stretch Amount (m)	Tension (N)	Average Time(sec)	Average Velocity (m/s)	V^2(m^2/s^2)	Tension (N)
Stretch Amount (m)	Tension (N)	Time1(sec)	Time2(sec)	Average Time(sec)	Average Velocity (m/s)	V^2(m^2/s^2)											0.1	0.8	0.95	6.0141052632	36.1694621163	0.8
0.1	0.8	1.33	1.39	1.36	4.201	17.649											0.15	1	1.32	4.4040909091	19.3960167355	1
0.15	1	1.43	1.25	1.34	4.338	18.821											0.2	1.3	1.315	4.4968821293	20.2219488846	1.3
0.2	1.3	1.31	1.32	1.315	4.497	20.222											0.25	1.5	1.345	4.470929368	19.9892094139	1.5
0.25	1.5	1.24	1.41	1.325	4.538	20.597											0.3	1.6	1.25	4.89072	23.9191421184	1.6
0.3	1.7	1.2	1.36	1.28	4.776	22.811
					Tension (N)	V^2(m^2/s^2)
					0.8	17.649
slope					1	18.821
5.2202					1.3	20.222
					1.5	20.597
1/slope					1.7	22.811											1.355
0.1915635416																	1.36
					v2 是纵轴												1.37
error3	error4				T 是横轴												1.39
0.1752364517	0.0477																1.38

(fL/n)^2 (Hz.meter)^2

7.0000000000000007E-2 0.09 0.11 0.13 0.15 0.17 0.19 368.09163265306125 441.70027777777773 481.58302500000002 540.42300899999998 568.82249999999988 672.49455624999985 864.3599999999999

m

(fL/n)^2

V^2(m^2/s^2)

0.8 1 1.3 1.5 1.7 17.648648118512114 18.821351949209173 20.221948884615941 20.59721156852973 22.811071508789055

T tension

V^2