Question
a pendulum is 0.75 meters long and has a period of 4.17seconds is this pendulum on the earth moon or mars?
Answers
Henry
T^2 = 4pi^2*(L/g)
L/g = T^2/4pi^2 = 4.17^2/39.5 = 0.440
0.75/g = 0.44
g = 0.75/0.44 = 1.70 m/s^2.
It is on the moon!
L/g = T^2/4pi^2 = 4.17^2/39.5 = 0.440
0.75/g = 0.44
g = 0.75/0.44 = 1.70 m/s^2.
It is on the moon!