6a757425-3d79-4363-bc18-6dd5c0fd5938 4 4 5 decimal

&[DATE] &[TIME] - &[FILENAME]

r 6.4 106^* :

Radius of earth at equator [m]

t 8.6 104^* :

Duration of earth spin around its axis [s]

1 ================= Earth ==========================

1\a. Angular speed 'ω' of earth rotation on its axis

ω 2 π * rad * 8.6 104^* s * / : 7.306 105 -^* Hz *

"Hz", the SI unit of frequency equates ONE cycle per second.

radps 1 :

2 π * 8.6 104^* / radps 7.306 105 -^*

2 π * 8.6 104^* / rad s / * 7.306 105 -^* Hz *