¿Cuántos Julios son 7,4 cal?
Fíca y Química 2 ESO

Quiz
•
Physics
•
2nd Grade
•
Hard
Yolanda Azañón Redondo
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
28.989 juluos
30.932 julios
3000J
0,3677J
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un cubo con forma de prisma rectangular, tiene una densidad de 7800 kg/m3 y unas dimensiones de 0,4 m × 0,2 m × 0,1 m. Determina la presión que ejerce sobre el suelo cuando reposa sobre cada una de sus caras.
p = 7640 Pa
p = 15290 Pa
p = 30575 Pa
p = 7640 Pa
p = 150 Pa
p = 305 Pa
p = 740 Pa
p = 1290 Pa
p = 3575 Pa
p = 76400 Pa
p = 15290 Pa
p = 30575 Pa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un tractor circula a 3 m/s y acelera durante 2 s con una aceleración de 1 m/s2. Calcula su velocidad final
v= 5 m/s
v= 0 m/s
12m/s
-5 m/s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuantos mmHg son 7,9 atm?
6.004
604
7.004
1200
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ajusta esta reacción: Fe+O2→ Fe2O3
4Fe+3O2→ 3Fe2O3
2Fe+3O2→ 2Fe2O3
4Fe+3O2→ 2Fe2O3
4Fe+O2→ 2Fe2O3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el peso de un objeto de 50 kg?
50N
50kg
490N
980N
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la energía potencial que posee un libro de 500 gramos de masa que está colocado sobre una mesa de 80 centímetros de altura.
4,2J
1,95J
6,2J
3’92 J
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