TEMA 2: CAMPO GRAVITATORIO
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Easy
Javier Lacosta
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se sabe que el período de traslación de la Tierra en torno al Sol es de un año, y la masa del Sol es de 1.99E30 kg. Calcular la distancia media aproximada entre el Sol y la Tierra.
1.5E11 m
2.56E12 m
1E10 m
4,2E11 m
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En los vértices de un cuadrado de 10 m de lado, colocamos cuatro masas iguales de valor 1500 kg. Calcular el campo gravitatorio en el punto medio del cuadrado.
0
2E-9 N/kg
8E-9 N/kg
-2E-9 N/kg
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcular la intensidad del campo gravitatorio de un satélite que gira en una órbita que está a una altura de 36000 km.
0.221 m/s2
0.31 m/s2
30.7 m/s2
2,25 m/s2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcular el trabajo realizado por la fuerza del campo gravitatorio sobre un satélite de masa 500 kg que gira en órbita a una distancia del centro de la Tierra de 35780 km, cuando cae sobre el mar.
2,6E10 J
-2,6E10 J
9,6E10 J
-9,6E10 J
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
"Las líneas de campo gravitatorio son siempre perpendiculares a las superficies equipotenciales". Verdadero o falso
verdadero
falso
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
"Las líneas de campo gravitatorio van de potenciales mayores a menores". Verdadero o falso
verdadero
falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un objeto que gire en órbita cerrada tiene una energía mecánica.....
Negativa
Positiva
Cero
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