Question #380f3

1 Answer
Jun 27, 2017

Answer:

Fractional change = 1.00005787 = [ 86405/86400 ]^2

Explanation:

86400 sec/day
Period of Pendulum T = 2pi Sqrt(L/g)
86405/86400 = 2pi Sqrt(L[now]/g) / 2pi Sqrt(L[now]/g)
2pi 's cancel
Square both sides
Right side becomes L[now] / L