物理公式符号书写
1m/s kg/m? (ρ冰=0.9×10?kg/m?) ρ木
=0.6×10?kg/m? km/h
0.8×10? ? ρ kg/m?
m18kg冰
,,V冰
33ρ0.9×kg/10m冰
3,0.02m
33,33,,0.9×kg/,6,ρ1010mmvm11冰
,5.4kg
温度/?
65
60
55
50
455
5 40
35 时间/min
30
8 0 2 4 6
mm18kg水冰
,,,V 水33ρρ1.0×kg/10m水水
3,0.018m
,mm21
,mm12
,Vmm12
V
, mm21
s72000m
v,,,240ms
t300s
s
v,
t
m7.35kg广告33,,,1.0,kg/ρ10m广告-23V7.35,10m广告
温度/?
65
60
55
50
455
5 40
35 时间/min
30
8 0 2 4 6
s/m
90
甲
乙
t/s
10 30