文档内容
{#{QQABDQYEogCIAIIAAAgCQwEQCAGQkBACCYgOgFAMMAIAgRFABCA=}#}
sin2
45° sin
2
c
n v
0 2 0~3 0
0 0
1 2
0 0 0 2 0 0
0
2
0
0 2 0 0
1 2 1 2 6 0
2 2 0 0 0
L
L L 1A
L 2 4A
M L 3A
2 2
2 8 4 4 0.5
100 8 4 100 75
2 2
M M M 2 6 3 3 1 W 9W
7.5N 0.6m/s
4.5
4.5W M M 100 18 100 25
{#{QQABDQYEogCIAIIAAAgCQwEQCAGQkBACCYgOgFAMMAIAgRFABCA=}#}
1 1 1 1
2 2 2 2
2 0 2 2 1 2 0 2 1 5
ΔΦ
Δ
ΔΦ 2
Δ ΔΦ
2
2
2 ΔΦ
ΔΦ
2 3
0 0
{#{QQABDQYEogCIAIIAAAgCQwEQCAGQkBACCYgOgFAMMAIAgRFABCA=}#}3 9
2.5 25 0.12 80 0.1125
1 2
2 2
2
' '
' 5 2.5
1 2
2
2 3
25 0.12
'
1 2
' 1
2
9
' 1 2 80 0.1125
143
0.6s 0 1440 s 0.31s 0.2m
0
1 sin 0.5m
1 2
1 1cos 2
{#{QQABDQYEogCIAIIAAAgCQwEQCAGQkBACCYgOgFAMMAIAgRFABCA=}#} 0.6s
tan 0
0 4m/s
2 1
0
° °
180 37
0 360 °
143
0 1440 s 0.31s
sin 5m/s
2
0
0 1
2
2
2 0.625m 2 2sin 0.75
1 0 2.4
'
1 1 1.65
1 1 2 1 1,2,3⋯
' '
n 1 1 2 1 1,2,3⋯
2 1
' '
4 14.55m 4 13.8m Δ 4 0.2m
{#{QQABDQYEogCIAIIAAAgCQwEQCAGQkBACCYgOgFAMMAIAgRFABCA=}#}