4 ⋅σ ⋅ cos Θ

h =

ρ

⋅ g ⋅ d du

T = τ

⋅ A

τ =

L

y=0

dy

p = p + h ⋅ ρ ⋅ g a

kg

p = 750 mmHg = , 0 75 ⋅ ρ

⋅ g

ρ

= 13600

a

Hg

Hg

3

m

P = γ ⋅ h ⋅ A I

h 2 ⋅ A + I '

y

y

x =

=

s

S

S

y

y

3

a ⋅ b 4

π ⋅ d

3

a ⋅ h Prostokąt: I

=

I

=

I

=

y'

Koło:

trójkąt : y'

12

y '

64

36

Q = v ⋅ A p

ρ =

RT

ρ ⋅ d ⋅ v R =

e

µ

p

∆

l

v 2

64

h =

= λ ⋅

⋅

λ =

st

,dla R

γ

d 2 g e<2300

Re

2

C ⋅ ρ ⋅ A ⋅ v F

D

=

D

2

10

= +

24

6

Gdy R

C

1

C

=

+

+ ,

0

e<2*105 to : dla walca D

0,67 dla kulki: 4

R

D

R

e

e

1 +

Re

W = V ⋅ ρ ⋅ g w