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Natuurkunde Trillingen en golven v3.xls
Trillingen en golven
Examenstof VWO * HAVO ^
Harmonische trilling
*
Harmonische trilling
uitwijking
u (t) = A sin (2 π f t)
Harmonische trilling
snelheid
v (t) = 2 π f A cos (2 π f t)
u (t)
[m]
=
op t = 0 s dan φ = 0
v (t)
[m s
-1
]
=
op t = 0 s dan φ = 0
A
[m]
=
f
[s
-1
]
=
f
[s
-1
]
=
A
[m]
=
t
[s
]
=
t
[s]
=
Harmonische trilling
versnelling
a (t) = - 4 π
2
f
2
A sin (2 π f t)
*
Harmonische trilling
maximale snelheid
v
max
= 2
π
f A
a (t)
[m s
-2
]
=
op t = 0 s dan φ = 0
v
max
[m s
-1
]
=
f
[s
-1
]
=
f
[s
-1
]
=
A
[m]
=
A
[m]
=
t
[s]
=
*
Trillingsenergie
E
tr
= 1/2 C A
2
*
Trillingsenergie
E
tr
= 1/2 m v
2
max
E
tr
[J]
=
E
tr
[J]
=
C
[N m
-1
]
=
m
[k]
=
A
[m]
=
v
max
[m s
-1
]
=
*
Fase
φ (t) = t / T
φ (t)
[-]
=
t
[s]
=
T
[s
-1
]
=
