Calculate the value for g for 10 oscillations and then for 20 oscillations Compare your 2 results with the expected result of g= 9.80 m/sec Explain why we used 10 and 20 oscillations to determine the acceleration due to gravity.
Calculate the value for g for 10 oscillations and then for 20 oscillations Compare your 2 results with the expected result of g= 9.80 m/sec Explain why we used 10 and 20 oscillations to determine the acceleration due to gravity.
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Transcribed Image Text:Еxperiment 1:
Tie the string to the heavy object. Tie the loose end of the string
to a hook, a bar, or any other sturdy object you can suspend it
from. First let the object hang motionless from the suspended
string. Measure the distance from the point where it is
suspended to the middle of the heavy object (essentially the
length of the string – L). Now pull the heavy object sideways a
few inches while keeping the string straight. Let go and let the
object oscillate back and forth 10 times. Measure how long it
takes for 10 complete oscillations. Then repeat with 20
oscillations. Use the following equation to determine g (the
acceleration due to gravity).
The time for 1 oscillation is called the period (T).
T= 2f (L/g)²
1/2
Calculate the value for g for 10 oscillations and then for 20
oscillations
Compare your 2 results with the expected result of g=9.80
m/sec
Explain why we used 10 and 20 oscillations to determine the
acceleration due to gravity.
Transcribed Image Text:Experiment I
Time Csec)
Oscillate (0 times = 13.61
OScillate 20 fimes = 27.06
18 inches
length of string
lenatn
T=2T
grawity
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