Question

what is a seconds pendulum​

Answer 1

Answer:

A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 0.5 Hz.

Answer 2

Answer:

a seconds pendulum is a pendulum whose period is two seconds; one second for a swing in one direction and one second for the return swing..A frequency of 0.5Hz..