Using the result of the previous question, find the value of l1, if it is given that the first pendulum swings back and forth 10 times per minute, while the second one swings back and forth 300 times per hour and l2 is 3.8 m. Give your answer in SI units. Answer: Choose... +

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ive answered 1st part need help with 2nd

We have two pendulums with lengths l1 and l2 with time periods T1 and T2 respectively.

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Answer

The time period of a simple pendulum is given by

 

Where 

L = Length of the simple pendulum

g = acceleration due to gravity

 

Thus

 

 

 

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Final answer

T1^2/T2^2

Consider two pendulums with lengths /1 and l2. Express the ratio of their lengths l|/l2 in terms of periods T1 and T2. When submitting your
answer please keep in mind that, for example T²IT2 must be written as "T1^2/T2". Please use the "Display response" button to check you
entered the answer you expect.
ll=
Display response
Transcribed Image Text: Consider two pendulums with lengths l1 and 12. Express the ratio of their lengths /1/l2 in terms of periods Tj and T2.
When submitting your answer please keep in mind that, for example T/T2 must be written as "T1^2/T2". Please use the "Display response"
button to check you entered the answer you expect. 1ll2= Display response
Transcribed Image Text:Consider two pendulums with lengths /1 and l2. Express the ratio of their lengths l|/l2 in terms of periods T1 and T2. When submitting your answer please keep in mind that, for example T²IT2 must be written as "T1^2/T2". Please use the "Display response" button to check you entered the answer you expect. ll= Display response Transcribed Image Text: Consider two pendulums with lengths l1 and 12. Express the ratio of their lengths /1/l2 in terms of periods Tj and T2. When submitting your answer please keep in mind that, for example T/T2 must be written as "T1^2/T2". Please use the "Display response" button to check you entered the answer you expect. 1ll2= Display response
Using the result of the previous question, find the value of l1, if it is given that the first pendulum swings back and forth 10 times per minute,
while the second one swings back and forth 300 times per hour and /2 is 3.8 m. Give your answer in SI units.
Answer:
Choose... +
Transcribed Image Text:Using the result of the previous question, find the value of l1, if it is given that the first pendulum swings back and forth 10 times per minute, while the second one swings back and forth 300 times per hour and /2 is 3.8 m. Give your answer in SI units. Answer: Choose... +
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