Producto Cruz

Producto Cruz

12th Grade

9 Qs

quiz-placeholder

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Producto Cruz

Producto Cruz

Assessment

Quiz

Mathematics, Physics

12th Grade

Hard

Created by

Bárbara Matamala

Used 85+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula

 a x b\overrightarrow{a}\ x\ \overrightarrow{b} , considera  a=(4i, 5j, 7k)\overrightarrow{a}=\left(4i,\ 5j,\ 7k\right)  y  b=(2i, 4j, 8k)\overrightarrow{b}=\left(2i,\ 4j,\ 8k\right)  

 12i18j+6k12i-18j+6k  

 6i18j+12k6i-18j+12k  

 12i+18j+6k12i+18j+6k  

 6i+18j+12k6i+18j+12k  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Determina el ángulo entre los vectores, considera  \overrightarrow{a}=\left(4i,\ 5j,\ 7k\right)  y  \overrightarrow{b}=\left(2i,\ 4j,\ 8k\right)  

25º

35º

15º

No existe

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula

 a x b\overrightarrow{a}\ x\ \overrightarrow{b} , considera  a=(2i, 3j, 4k)\overrightarrow{a}=\left(-2i,\ -3j,\ -4k\right)  y  b=(2i, 3j, 4k)\overrightarrow{b}=\left(2i,\ 3j,\ -4k\right)  

-2

-1

0

-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Determina el ángulo que forman los vectores, considera  \overrightarrow{a}=\left(-2i,\ -3j,\ -4k\right)  y  \overrightarrow{b}=\left(2i,\ 3j,\ -4k\right)  

23º

29º

No existe

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula

 a x b\overrightarrow{a}\ x\ \overrightarrow{b} , considera  a=(8i, 5j, 3k)\overrightarrow{a}=\left(8i,\ -5j,\ 3k\right)  y  b=(4i, 7k)\overrightarrow{b}=\left(-4i,\ 7k\right)  

 35i68j+20k-35i-68j+20k  

 35i+68j+20k35i+68j+20k  

 35i68j+20k35i-68j+20k  

 35i+68j20k-35i+68j-20k  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula

 a x b\left|\left|\overrightarrow{a}\ x\ \overrightarrow{b}\right|\right| , considera  a=(8i, 5j, 3k)\overrightarrow{a}=\left(8i,\ -5j,\ 3k\right)  y  b=(4i, 7k)\overrightarrow{b}=\left(-4i,\ 7k\right)  

76,050

77,050

78,050

79,050

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula  a\left|\left|\overrightarrow{a}\right|\right|  , considera  

 \overrightarrow{a}=\left(8i,\ -5j,\ 3k\right)
 

 717\sqrt{1}  

 727\sqrt{2}  

 737\sqrt{3}  

 747\sqrt{4}  

8.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula

 b\left|\left|\overrightarrow{b}\right|\right| , considera  b=(4i, 7k)\overrightarrow{b}=\left(-4i,\ 7k\right)  

 67\sqrt{67}  

 66\sqrt{66}  

 65\sqrt{65}  

 64\sqrt{64}  

9.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Determina el ángulo entre los vectores, considera  \overrightarrow{a}=\left(8i,\ -5j,\ 3k\right)  y  \overrightarrow{b}=\left(-4i,\ 7k\right)  

82,074º

81,074º

80,074º

No existe