Quiz MCU 1
Quiz
•
Physics
•
11th - 12th Grade
•
Hard
Karla Carrasco
Used 13+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Si un cuerpo da 180 vueltas en un minuto, su frecuencia es:
180 Hz
3 Hz
6 Hz
0,333 Hz
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un cuerpo realiza 120 vueltas en 1 minuto, describiendo una circunferencia de 1 m de radio. El valor de su velocidad tangencial es:
2 m/s
6.28 m/s
12.56 m/s
3.14 m/s
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Considerando el movimiento de rotación de la Tierra, la rapidez angular en los puntos cercanos a los Polos y en el Ecuador son:
distinta
iguales
dependiente de la Latitud
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La hélice de un avión da 1280 vueltas en 64 segundos, la velocidad angular del movimiento es:
125,66 rad/s
0,314 rad/s
23, 7 rad/s
0,628 rad/s
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Una polea en rotación, tiene 12 cm de radio y gira con una velocidad tangencial de 64 cm/s . la velocidad angular de la polea es:
2,6 rad/s
1,57 rad/s
7,68 rad/s
5,33 rad/s
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En el MCU el arco recorrido se mide en metros, mientras que para determinar la posición y el desplazamiento se utiliza:
El radio
Los grados
El radián
La tangente del ángulo
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En el movimiento circular uniforme, cuál de estas magnitudes permanece constante:
Velocidad tangencial
Velocidad angular
Fuerza centrípeta
Aceleración centrípeta
Todas son constantes
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