这段时间就是需要多长时间,在这种情况下,将天数转为几秒钟。
#“期间”= T = 365 1/4“天”= 24(365 + 1/4)“小时”=(24 * 60)(365 + 1/4)=“分钟”=(24 * 60 ^ 2 )(365 + 1/4)“秒”= 31557600s ~~ 3.16 * 10 ^ 7s#
#F = 1 / T = 1 /(3.16 * 10 ^ 7)= 3.16 * 10 ^ -7Hz#
#“角速度”=ω= theta / T =(2pi)/(3.16 * 10 ^ 7)~~ 1.99 * 10 ^ -7rad# #^小号-1#
#“轨道速度”= 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 ^ 787-9#
#4.79 * 10 ^ 9 “秒”=(4.79 * 10 ^ 9)/ 60 “分钟”=(4.79 * 10 ^ 9)/ 60 ^ 2 “小时”=(4.79 * 10 ^ 9)/(24 * 60 ^ 2) “天”=(4.79 * 10 ^ 9)/((24 * 60 ^ 2)(365 + 1/4)) “年” ~~ 152 “年” #