examen de fisica 5toA

Quiz
•
Physics
•
5th Grade
•
Hard
Marina C
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cuando un objeto gira alrededor de un eje externo,su movimiento se llama:
movimiento circular
rotacion
revolucion
velocidad tangencial
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
hallar la velocidad angular de una rueda de 3m de radio,sabiendo que la velocidad lineal es de 15m/seg:
5 rad/seg
10 rad/seg
2.5 rad/seg
7 rad/seg
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
si se recorre todo el perimetro de una circunferencia de radio 5m en 1seg ,calcular la velocidad tangencial
33m/seg
31.415m/seg
35.45m/seg
333m/seg
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
el valor de la aceleración centrifuga de un tren eléctrico en una pista circular de 20m de radio,con una velocidad de 40m/seg es:
60m/seg
80m/seg2
70m/seg2
45m/seg
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
es el tiempo que emplea una particula con movimiento rotacion para dar una vuelta completa,nos referimos a:
frecuencia
desplazamiento angular
periodo
velocidad tangencial
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