Question
Question: A second's pendulum is placed in a space laboratory orbiting around the earth at a height 3R, where ...
A second's pendulum is placed in a space laboratory orbiting around the earth at a height 3R, where R is the radius of the earth. The time period of the pendulum is
A
Zero
B
23sec
C
4 sec
D
Infinite
Answer
Infinite
Explanation
Solution
In the given case effective acceleration
geff. = 0 ⇒ T=∞