Основные формулы по физике. 8 класс

1.

.8
!
T = 273 + t °C
/ 0
0 1
,t = ,T!)
(
0!,
0
1
30
Q= c·m·( -
1
)
Q= c·m·,t
/ 0
1
9
:
-
/
0 1
0!,
0
0
30
Q= c·m·( ,
0 1
-
/
0 ;1
0
<
=
c·m·( - =)= c·m·(= -
0
>
0 ;1
0
)
)
;
!

2.

? 1
0
? 1
0 1
Q = q·m
0 1
0
A B
Q = C·m
? 1
0 1
Q = r·m
<
(
A
A; :
F0 1
G=
0
·100%
F = k·
K
E=
L ; 0 r)
·100%
G=
N 1
B
:
0 O
0
/
1

3.

N 1
:
0 O
0 / /
Q
0
/
1
1
:
1
0
U=
I=
0
/
R= ·
1
K
/
E = k·
A
0
Q
0
I=
;
0
R=
1
F
1
1
V<
/ 0
0
+
n
V/3
R= n·
+…
!9
!9

4.

1
=
F
+
R=
2-9
F
1
+…
V<
/ 0 n
V/3 !9 1
!9
R=
K
F:
< 0 O
A=
Z
0
B
/
0 O
0
P=
Q=
·R·t
A = U·I·t
0
·t A =
P = U·I
P=
-
·R·t A = P·t
/
0
P=
·R

5.

:
1
[
0·/ = 3600000 F:
10 /
;
A!
0
#= +
!
/
$
%
00-/ !
=
"
!
[
D=
A!
= +
!
"
"
A!
^=
"
!
^=
$
%

6.

: 0
1
0
_
?
?
&
`_`
`
&'
&(
`
&)
_
&
0
)
;
;
&
;
;
&
(
&
'
1
1
&