The period of a pendulum is the time the pendulum takes to swing back and forth. The function L=0.81t^2 relates the length L in feet of a pendulum to the time t in seconds that it takes to swing back and forth. A convention center has a pendulum that is 80 feet long. Find the period.
I am super duper confused! Can someone please explain what in the world I am supposed to do?
6 answers
I can't find anything anywhere to help me.
T = 2 pi sqrt (L/g)
if you do physics
I will look at your problem in a second
if you do physics
I will look at your problem in a second
80 = .81 T^2
T^2 = 98.76
T = 9.94 seconds
T^2 = 98.76
T = 9.94 seconds
Now to check that with physics
g is about 32 ft/s^2
T = 2 pi sqrt (80/32)
T = 9.9346 seconds, close enough
g is about 32 ft/s^2
T = 2 pi sqrt (80/32)
T = 9.9346 seconds, close enough
Thank you soooo much Damon!
You are welcome.
1 answer