Zemlja od sonca?

Zemlja od sonca?
Anonim

Obdobje je samo, kako dolgo traja, v tem primeru, preobrat dni v nekaj sekundah.

# "Obdobje" = T = 365 1/4 "dni" = 24 (365 + 1/4) "ure" = (24 * 60) (365 + 1/4) = "minute" = (24 * 60 ^ 2) (365 + 1/4) "sekund" = 31557600s ~~ 3,16 * 10 ^ 7s #

# f = 1 / T = 1 / (3.16 * 10 ^ 7) = 3.16 * 10 ^ -7Hz #

# "Kotna hitrost" = omega = theta / T = (2pi) / (3.16 * 10 ^ 7) ~~ 1.99 * 10 ^ -7rad # # s ^ -1 #

# "Orbitalna hitrost" = v = romega = (1.50 * 10 ^ 9) (1.99 * 10 ^ -7) = 298.5 ~ ~ 299ms ^ -1 #

# v = romega = (2pir) / T #

# T = (2pir) / v = (2pi (228 * 10 ^ 9)) / (299) ~~ 4.79 * 10 ^ 9s #

# 4.79 * 10 ^ 9 "sekund" = (4.79 * 10 ^ 9) / 60 "minut" = (4.79 * 10 ^ 9) / 60 ^ 2 "ur" = (4.79 * 10 ^ 9) / (24 * 60) ^ 2) "dni" = (4.79 * 10 ^ 9) / ((24 * 60 ^ 2) (365 + 1/4)) "let" ~ 152 "let" #