
EXAMEN A

Quiz
•
Physics
•
University
•
Hard
Eduardo Escobar
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cuantos grados Fahrenheit, corresponde 25°C
60
77
90
100
Ninguna
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La temperatura de congelamiento en grados kelvin corresponde a
-273
0
32
273
Ninguna
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una silla de 60 cm de alto se encuentra a 2 m de un espejo plano y un estudiante se encuentra a 4 m del espejo plano observando la silla a través del espejo. ¿Cuál es la altura mínima del espejo para que el estudiante pueda observar por completo la silla?
40 cm
20 cm
30 cm
50 cm
Ninguna
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La cantidad de 0,003*10^6 m corresponde al prefijo:
3 megametros
3 kilometros
3 milimetros
3 micrometros
3 terametros
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La unidad de calor, B.T.U. es del sistema
Métrico
Ruso
Franco
Inglés
Ninguno
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la operación 4,5x10^5- a = 7,4x10^4, el valor de “a” es
A. 3,76x10^5
B. -2,9x10^4
C. 2,9x10^5
D. 1,19x10^6
E. Ninguno
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando el producto escalar de dos vectores vale cero, entonces estos dos vectores son:
Perpendiculares
Concurrentes
Colineales
Paralelos
Ninguna
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