有棍絲打去舉重
2022-1-19 18:15:09
空氣係有mass
但佢施加於你既力係睇佢處身於既relative density
如果熱氣球外既air density 等於你個熱氣球內既density
個熱氣球就會唔上唔落 (ignore wind)
Ads
全天候殘廢
2022-1-19 18:15:47
變咗學術台
:^(
:^(
舞會廷執
2022-1-19 18:16:44
講咁耐都係冇圖, 屌你老母
有棍絲打去舉重
2022-1-19 18:17:20
咁係因為外加力(地心吸力)
Air at different levels will experience different gravitational pull
(ignore the effect of sun heating and wind)
但佢施加於你既力係睇佢處身於既relative density
如果熱氣球外既air density 等於你個熱氣球內既density
個熱氣球就會唔上唔落 (ignore wind)