Question #3aa50

1 Answer

l=981 cm

Explanation:

The period of oscillation of a simple pendulum is obtained from the formula : T=2πlg

And since T=1f

We can write 1f=2πlg

(1f)2=(2πlg)2

(1f2)=4π2lg

l=gf24π2=981 cm s2(1 s1)24π2=24.851 cm