Analysis For each case, write the mass and string length, and calculate the average radius, period, angle (e), tane, sine, measured speed (meas= 2nr/period) and the predicted tangential speed: Vored = sqrt(Lg sine tane). 2. Compare the Vmeas to Vored for each case. Case Mass Length (L) Radius Period Ave. 1 2 3 4 e (sin-¹, tane sine r/L) 1. 2. Vmeas Questions/Conclusions: Does the mass of the object affect the measured or predicted tangential speed? How does the string length (L) affect the measured or predicted tangential speed? Vpred

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Analysis
1. For each case, write the mass and string length, and calculate the average radius, period, angle
(0), tane, sine, measured speed (meas,= 2лr/period) and the predicted tangential speed:
Vored = sqrt(L g sine tane).
2. Compare the Vmeas to Vored for each case.
Case Mass Length (L)
1
2
3
4
Radius Period
Ave.
1.
2.
e (sin-¹, tane sine
r/L)
Vmeas Vpred
Questions/Conclusions:
Does the mass of the object affect the measured or predicted tangential speed?
How does the string length (L) affect the measured or predicted tangential speed?
Transcribed Image Text:Analysis 1. For each case, write the mass and string length, and calculate the average radius, period, angle (0), tane, sine, measured speed (meas,= 2лr/period) and the predicted tangential speed: Vored = sqrt(L g sine tane). 2. Compare the Vmeas to Vored for each case. Case Mass Length (L) 1 2 3 4 Radius Period Ave. 1. 2. e (sin-¹, tane sine r/L) Vmeas Vpred Questions/Conclusions: Does the mass of the object affect the measured or predicted tangential speed? How does the string length (L) affect the measured or predicted tangential speed?
Data
Case Mass (g) Length of
String (cm)
162.3
165.1
130.0
133.0
1
2
3
4
193.1
490.0
193.1
490.0
x-radius
(cm)
35.5
34.0
30.0
26.0
y-radius
(cm)
38.0
38.5
38.0
25.0
Number of
Revolutions
7
9
8
6
Time (s)
15.89
18.19
14.95
10.72
Transcribed Image Text:Data Case Mass (g) Length of String (cm) 162.3 165.1 130.0 133.0 1 2 3 4 193.1 490.0 193.1 490.0 x-radius (cm) 35.5 34.0 30.0 26.0 y-radius (cm) 38.0 38.5 38.0 25.0 Number of Revolutions 7 9 8 6 Time (s) 15.89 18.19 14.95 10.72
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