Latihan Soal "Proyeksi Vektor"

Latihan Soal "Proyeksi Vektor"

11th Grade

20 Qs

quiz-placeholder

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Latihan Soal "Proyeksi Vektor"

Latihan Soal "Proyeksi Vektor"

Assessment

Quiz

Mathematics

11th Grade

Easy

Created by

Ibu Sulistyana

Used 48+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Perhatikan gambar di atas !
Proyeksi vektor  BC\overrightarrow{BC}  pada  BA\overrightarrow{BA}  adalah ...

 BD\overrightarrow{BD}  

 BE\overrightarrow{BE}  

 CA\overrightarrow{CA}  

 CD\overrightarrow{CD}  

 CE\overrightarrow{CE}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika α\alpha  menyatakan besar sudut antara  u\overrightarrow{u}  dan  v\overrightarrow{v}  , panjang proyeksi  u\overrightarrow{u}  pada  v\overrightarrow{v}  adalah ...


 v×cos α\left|\overrightarrow{v}\right|\times\cos\ \alpha  

 v×sin α\left|\overrightarrow{v}\right|\times\sin\ \alpha  

 u×cos α\left|\overrightarrow{u}\right|\times\cos\ \alpha  

 u×sin α\left|\overrightarrow{u}\right|\times\sin\ \alpha  

 u×v×cos α\left|\overrightarrow{u}\right|\times\left|\overrightarrow{v}\right|\times\cos\ \alpha  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika u=2i+5j\overrightarrow{u}=2i+5j  dan  v=9i12j\overrightarrow{v}=9i-12j  , proyeksi skalar  u\overrightarrow{u}  pada  v\overrightarrow{v}  adalah ...


 1414  

 145\frac{14}{5}  

 145-\frac{14}{5}  

 143-\frac{14}{3}  

 14-14  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika a=(3      1) \overrightarrow{a}=\left(3\ \ \ \ \ \ -1\right)\   dan  b=(2       4)\overrightarrow{b}=\left(-2\ \ \ \ \ \ \ 4\right)  , proyeksi skalar  (ab)\left(\overrightarrow{a}-\overrightarrow{b}\right)  pada  (2a+b)\left(2\overrightarrow{a}+\overrightarrow{b}\right)  adalah ...


 155\frac{1}{5}\sqrt{5}  

 255\frac{2}{5}\sqrt{5}  

 125\frac{1}{2}\sqrt{5}  

 5\sqrt{5}  

 252\sqrt{5}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Perhatikan vektor-vektor di atas !
Panjang proyeksi u\overrightarrow{u}  pada  v\overrightarrow{v}  adalah ...


 656\sqrt{5}  

 555\sqrt{5}  

 655\frac{6}{5}\sqrt{5}  

 5\sqrt{5}  

 65\frac{6}{5}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui proyeksi skalar u=(5       p)\overrightarrow{u}=\left(-5\ \ \ \ \ \ \ p\right)  pada  v=(4      2)\overrightarrow{v}=\left(4\ \ \ \ \ \ -2\right)  adalah  626\sqrt{2}  . Nilai  pp  yang memenuhi adalah ...

 10+61010+6\sqrt{10}  

 1061010-6\sqrt{10}  

 10610-10-6\sqrt{10}  

 20121020-12\sqrt{10}  

 20610-20-6\sqrt{10}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika u=(6      1         3)\overrightarrow{u}=\left(6\ \ \ \ \ \ -1\ \ \ \ \ \ \ \ \ 3\right)  dan  v=(4         3       5)\overrightarrow{v}=\left(4\ \ \ \ \ \ \ \ \ 3\ \ \ \ \ \ \ -5\right)  , proyeksi skalar ortogonal  u\overrightarrow{u}  pada  v\overrightarrow{v}  adalah ...


 252\frac{2}{5}\sqrt{2}  

 352\frac{3}{5}\sqrt{2}  

 322\frac{3}{2}\sqrt{2}  

 255\frac{2}{5}\sqrt{5}  

 355\frac{3}{5}\sqrt{5}  

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