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EVIDENCIA MATERIA Y ENERGIA 2

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Jennifer Munguia

on 8 September 2016

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Transcript of EVIDENCIA MATERIA Y ENERGIA 2

EVIDENCIA MATERIA Y ENERGIA 2
Jennifer Sánchez Munguía
Samantha Sánchez Barba
Flor Vannesa Olvera Vadivieso
Diana Amairani Acuña Vasquez
PROBLEMA 8
Un alambre de metal de medio kg de masa, mide medio metro de largo y está sometido a una tensión de 100N. ¿Cuál sería la rapidez de una onda transversal a lo largo de ese alambre?
PROBLEMA 8
m= 1/2 kg
Long=1/2m
Fuerza(tension) = 100N
v= ?

PROBLEMA 8
m= 1/2 kg
Long=1/2m
Fuerza(tension) = 100N
v= ?
μ=?
v= √F
μ
μ=m
Long
PROBLEMA 8
m= 1/2 kg
Long=1/2m
Fuerza(tension) = 100N
v= ?
μ=?
μ=m
Long
μ= .5kg
.5m
μ= 1 m
PROBLEMA 8
m= 1/2 kg
Long=1/2m
Fuerza(tension) = 100N
v= ?
μ=1m
v= √F
μ
PROBLEMA 8
m= 1/2 kg
Long=1/2m
Fuerza(tension) = 100N
v= ?
μ=1m
v= √F
μ
v=√100N
1m
v=√100 m/s
v=10 m/s

PROBLEMA 9
Obtén la masa de una cuerda de 4m que se somete a una fuerza de tensión de 300N y mantiene una rapidez de onda transversal de 150m/s.
PROBLEMA 9
m=?
Long= 4m
F=300N
v=150m/s

PROBLEMA 9
m=?
Long= 4m
F=300N
v=150m/s
μ= ?
μ=m
Long
m=μ*Long
v= √F
μ
μ= F
v
2
PROBLEMA 9
m=?
Long= 4m
F=300N
v=150m/s
μ= ?
v= √F
μ
μ= F
v
2
μ= 300 N
150 m/s
2
μ= 300 N
22500m/s
μ= .0133m
PROBLEMA 9
m=?
Long= 4m
F=300N
v=150m/s
μ= .0133m
μ=m
Long
m=μ*Long
m=.0133m*4m
m=.0533kg
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