Pendulum Period=2*Pi(L/g)^.5
Time dilation: t=t*(1-v^2/c^2)^.5
frequency=1/Period
frequency * lamda=velocity
Acceleration due to gravity on Earth(g)=9.8m/s^2=980cm/s^2
d=vt
d=.5at^2
Speed of Light(c)=3X10^8m/s
Pi=3.141592
Circumference of circle=2*Pi*r=Pi*d
Area of circle=Pi*r^2
Earth's diameter=12,784 Km
1cm^3=1ml
pico=1X10^-12
15 degrees long. or latitude = 1 hour