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Rechtlijnige beweging
Mechanica
Examenstof VWO * HAVO ^
Rechtlijnige beweging
* ^
Gemiddelde snelheid
<v> = Δx / Δt
Gemiddelde versnelling
<a> = Δv / Δt
<v>
[m s
-1
]
=
<a>
[m s
-2
]
=
Δx
[m]
=
Δv
[m s
-1
]
=
Δt
[s]
=
Δt
[s]
=
Eenparige beweging
* ^
Snelheid
v = Δx / Δt
* ^
Verplaatsing
s (t) = v t
v
[m s
-1
]
=
x (t)
[m]
=
Δx
[m]
=
v
[m s
-1
]
=
Δt
[s]
=
t
[s]
=
Eenparig versnelde beweging
Snelheid
v (t) = v (0) + a t
* ^
Versnelling
a = Δv / Δt
v (t)
[m s
-1
]
=
a
[m s
-2
]
=
v (0)
[m s
-1
]
=
Δv
[m s
-1
]
=
a
[m s
-2
]
=
Δt
[s]
=
t
[s]
=
Verplaatsing met beginsnelheid
s (t) = v (0) t + 1/2 a t
2
* ^
Verplaatsing zonder beginsnelheid
s (t) = 1/2 a t
2
s (t)
[m]
=
s (t)
[m]
=
v (0)
[m s
-1
]
=
a
[m s
-2
]
=
a
[m s
-2
]
=
t
[s]
=
t
[s]
=
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