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Free Fall ( Example )
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er ( i meter ) efter t₀ sekunder,
er ( i meter ) efter t₀ sekunder,
13
bestemmer vi blot:
bestemmer vi blot:
14
Expression 15: "s" left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis
s
t
0
equals
=
2.6 8 1 4 5 4 1 1
2
.
6
8
1
4
5
4
1
1
15
Expression 16: "t" Subscript, 0 , Baseline equals 0.7 3 9
t
0
=
0
.
7
3
9
0
0
10
1
0
16
t₀ sekunder efter faldets start, er
t₀ sekunder efter faldets start, er
17
faldhastigheden ( m / s ) givet ved:
faldhastigheden ( m / s ) givet ved:
18
Expression 19: "v" left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis
v
t
0
equals
=
7.2 5 6 9 8
7
.
2
5
6
9
8
19
For et såkaldt frit ( vertikalt ) fald,
For et såkaldt frit ( vertikalt ) fald,
20
hvis hastighed v ( t ) = s ' ( t ), er
hvis hastighed v ( t ) = s ' ( t ), er
21
accelerationen altid konstant
accelerationen altid konstant
22
og bestemt ved:
og bestemt ved:
23
Expression 24: "a" left parenthesis, "t" , right parenthesis equals "v" prime left parenthesis, "t" , right parenthesis
a
t
=
v
′
t
24
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Punkter
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"t" Subscript, 0 , Baseline equals 0.7 4
t
0
=
0
.
7
4
Start black, "v" ( "t" Subscript, 0 , Baseline ) equals 7.2 6 "m" / "s" End black
v
(
t
0
)
=
7
.
2
6
m
/
s
Start black, "a" ( "t" Subscript, 0 , Baseline ) equals 9.8 2 "m" / "s" squared End black
a
(
t
0
)
=
9
.
8
2
m
/
s
2
Start black, "s" ( "t" Subscript, 0 , Baseline ) equals 2.6 8 "m" End black
s
(
t
0
)
=
2
.
6
8
m
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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