Sean los vectores: a=2i - j + 3k; b=i +j +k; c= 4k.
Hallar: 3a - 2b + 4c
PRUEBA DE VECTORES
Quiz
•
Physics
•
University
•
Hard
FISICA MECANICA
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sean los vectores: a=2i - j + 3k; b=i +j +k; c= 4k.
Hallar: 3a - 2b + 4c
6i -5j +25k
4i -5j +23k
4i +5j +23k
5i -4j +28k
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Si la resultante máxima de dos vectores es 17 y la resultante mínima es 7. Determine el modulo del vector resultante cuando los vectores forman entre si un ángulo recto.
13
24
18
10
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La resultante de los vectores A y B es 20, si el modulo del vector A es 10 y el ángulo entre el vector suma y el vector A es 30º. ¿Cuál es el modulo del vector B?
8,2
10,3
13,6
12,4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La resultante máxima de dos vectores de módulos iguales es 20. Hallar la resultante cuando dichos vectores estén formando 120º entre si.
18
10
12
20
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5
2
8
3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hallar el modulo de la resultante de los siguientes vectores:
160,7
130,2
104,5
158,1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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