Homework Help: Physics

Posted by Ellen on Friday, March 4, 2011 at 12:29pm.

Consider a pendulum of length 4.557 m. The acceleration of gravity is 9.832 m/s2 .

a) What is its period at the North Pole? Answer in units of s.

b) What is its frequency? Answer in units of Hz.

c) What is its period in Chicago, where g = 9.803 m/s2? Answer in units of s.

d) What is its frequency? Answer in units of Hz.

e) What is its period in Jakarta, Indonesia, where g = 9.782 m/s2? Answer in units of s.

f) What is its frequency? Answer in units of Hz.

Physics - drwls, Friday, March 4, 2011 at 1:43pm
Is 9.832 m/s^2 the value at the North Pole? You should have made that clear.

Formulas to use are:

Period: P = 2 pi sqrt(L/g)

frequency: f = 1/P

You do the numbers.
Physics - Ellen, Thursday, March 10, 2011 at 12:08pm
My teacher didn't specify if 9.821 m/s^2 is the value of the North Pole. We don't have class this week because of Spring Break and it's due the morning we get back, so I can't ask him any questions. But I got C through F now, thank you!

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