Room
temperature = 22.5 (using LC = 1 and error = LC/4 = 0.25 degrees,)
Frequency 1 = __512__HZ_________________
|
Error
= LC/4 = ¼ = 0.25 =0.30 = ΔLinst |
|
|
Position
of water level |
|
L1 |
17.0 |
|
16.5 |
||
17.0 |
||
16.5 |
||
Average
L1= 16.75 |
||
(L1max
– L1min)/4 = (17.0 - 16.5)/4 = 0.125 |
||
ΔL
inst = 0.25 = 0.30 |
||
ΔL
(larger of previous two) = 0.30 |
||
L3 |
50.0 |
Average
L3 - L1 = |
50.5 |
||
50.5 |
||
51.0 |
||
Average
L3= 50.50 |
||
(L3max
– L3min)/4 = (51.0 - 50.0)/4 = 0.25 |
||
ΔL
inst = 0.25 = 0.30 |
||
ΔL
(larger of previous two) = 0.30 |
||
L5 |
83.5 |
Average
L5 – L3 = = 83.50 - 50.50 =33.00 |
84.0 |
||
83.0 |
||
83.5 |
||
Average
L5 = 83.50 |
||
(L5max
– L5min)/4 = (84.0 - 83.0)/4 = 0.25 |
||
ΔL
inst = 0.25 = 0.30 |
||
ΔL
(larger of previous two) = 0.30 |
||
|
||
Average = 2*(33.375)
= 66.75 Average
= (512)*(0.6675)
= 341.76 m/s |
||
accepted v = (331.00 + 0.6*T) = (331.00 + 0.6*22.5) = (331.000 + 14.5) = 345.5 m/s . | ||
|average
v – accepted v | = |341.76
m/s -
345.5 m/s
| = 3.74 m/s. |