TRIAL EXAM PHYSICS AND CHEMISTRY 9TH GRADE ( 3 ESO)
Authored by Jose Castillo
English, Physics
9th Grade
Used 25+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Un muelle se alarga 0,2 m si se le aplica una fuerza de 5N. Indica qué fuerza producirá un alargamiento de 0,8 m.
20 N
10 N
40 N
30 N
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. Alice borrows one superhero book and one dragon book from the library. The superhero book has a mass of 200 grams. The dragon book has a mass of 310 grams. What is the mass and the weight of the books Nikita borrowed?
Superhero book has a mass of 0,2 Kg and dragon book has 0,310 Kg
Weight: 1.96 N (Superhero book) and 3.04 N (dragon book)
Ambas respuestas son correctas
Ninguna de las anteriores es correcta
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If your weight is 240 pounds,
a) what is your mass on Earth?
b) What is your mass on the moon?
c) How much would you weight on the moon?
Data: 1 N = 0,224 pounds g(moon) = 1,62 m/s2
1.Mass 109.3 Kg. It's the same mass in both places.
2.Mass 109.3 Kg in Earth and 200 Kg in the Moon.
3.My weigh in our planet is 1071.4 N and 177.1 N in the Moon.
4. Answers 1 and 3 are true.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Astronaut Joseph Cooper arrives to a mysterious planet. He hangs a rock up on a dynamometer, and it points 40 N. When he returns to Earth, the same rock hung up on the same dynamometer weights 30 N. What was the gravity on the mysterious planet?
The weight is the same in both planets.
12,9 m/s2 is the hidden gravity of that planet.
3,1 m/s2 is the weight.
None of them
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
La distancia entre Júpiter y el Sol es de 778,5 millones de Km. ¿Podrías calcular el tiempo que tarda la luz del Sol en llegar a Júpiter sabiendo que la velocidad de la luz es de 300000 Km/s?
Compara con el tiempo que tarda la luz del Sol a la Tierra sabiendo que esta distancia es de 150 millones de Km. ¿Es mayor o menor? ¿Podrías decir cual es esta proporción?
Recuerda: Pasa al SI. c= 3 10 8m/s
La proporción entre ambos tiempos es 5,19
El tiempo desde Júpiter es 2595 s
El tiempo desde la Tierra es 500 s.
Todas las anteriores son ciertas.
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Un hombre conducía su coche desde su oficina a su casa a 40 km / h. Treinta minutos más tarde se dio cuenta de que se olvidó algunos documentos importantes en la oficina. ¿Con qué velocidad constante debe conducir el coche para que pueda regresar a la oficina en tan solo 10 minutos?
No es posible.
3,3 Km/h
3.3 m/s
Ninguna de las anteriores.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Judith drives from Plymouth to Southampton, a
distance of 260 km, in 4 hours. She then drives from
Southampton to London, a distance of 145 km, in 1
hour and 30 minutes. Determine her average speed
for each journey.
1) She drove with an average speed of 65 Km/h in the first part and 96,7 Km/h in the second part.
2) The total average speed of the journey is 80,8 Km/h
3) None of the previous answers.
4) The 1st and 2nd choice are right.
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