1/A .
P
+ ER (same height)
-
>
-
xP/R = I
B . <P
+ -IR downward
M
P (n 10) I
- g
-
- . .
=
.P
?
+ -R
+ (end
up
at
sand
height)
> I
-
=
-
>
-
A = C(B
P
+ ER (same height)
-
>
-
xP/R = I
B . <P
+ -IR downward
M
P (n 10) I
- g
-
- . .
=
.P
?
+ -R
+ (end
up
at
sand
height)
> I
-
=
-
>
-
A = C(B