FTcose 1. For each of the four trials, determine the airplane's mass from Egn. (1)
FTcose 1. For each of the four trials, determine the airplane's mass from Egn. (1)
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Transcribed Image Text:FTcose
1. For each of the four trials, determine the airplane's mass from
Eqn. (1)
m =
g.
2. For each of the four trials,
(a) Find the period of the airplane's motion, which we will call T.
(Frsine) T
(b) Find the airplane's mass from
Eqn. (2)
4nr
In Eqn. (2) r is the radius of the circular path
3. The masses of the airplane (as measured on a scale) are 0.2935 kg for trial 13;
0.2147
kg for trial 2 ; 0.3935 kg for trial 3 ; 0.2939 kg for trial 4.
4. (a) Find the percent difference between each of masses given in step 3 above and the
corresponding mass calculated using Eqn. (1).
(b) Find the percent difference between each of masses given in step 3 above and the
corresponding mass calculated using Eqn. (2).
Transcribed Image Text:Trial
Diameter of
Tension in
Angle of
String
Time for Two
Airplane's Path
String
Revolutions
1
90.5 cm
4.5 N
52
2.5000 sec
104.5 cm
7.5
74
1.7333 sec
87.4 cm
6.5
52
2.3917 sec
4
83.5 cm
5.2
50
2.3250 sec
Diameter for trial 1 is: 75.5 sin (52) = (45.31) (2)= 90.5 cm
Diameter for trial 2 is: 54.5 sin (74) = (52.39) (2) = 104.5 cm
Diameter for trial 3 is: 55.5 sin (52) = (43.73) (2) = 87.4 cm
Diameter for trial 4 is: 54.5 sin (50) = (41.75) (2) = 83.5 cm
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