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uvod-4

Authored by Dam Lov

Physics

9th Grade

Used 6+ times

uvod-4
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8 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Koji su od dolje navedenih fizikalnih veličina osnovne?

brzina

količina tvari

temperatura

masa

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Koje od dolje navedenih veličina su vektorske?

pomak

vrijeme

duljina

sila

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Koji od dolje navedenih prefiksa odgovaraju nekom od ovih potencija:

109 , 10-3 103, 10-12 , 106.

hekto

kilo

piko

nano

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Zadani su vektori kao na slici. Odrediti veličinu vektora:  c = a +23 b\overrightarrow{c}\ =\ \overrightarrow{a}\ +\frac{2}{3}\ \overrightarrow{b}  .

c = 8 m

c = 4 m

c = 2.83 m

c = 3 m

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

 Zadani su vektori na donjoj slici. Koja od donjih opcija najbolje opisuje  smjer razlike vektora:   a  b\ \overrightarrow{a}\ -\ \overrightarrow{b}  .

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Zadani su vektori:
 a\overrightarrow{a}   = [10 m, ISTOK],
  b\overrightarrow{b}  = [15 m, ZAPAD].
Odrediti vektor:    c = 23 b   a\overrightarrow{c}\ =\ \frac{2}{3}\ \overrightarrow{b}\ \ -\ \overrightarrow{a}  

[20 m, ISTOK]

[25 m, ISTOK]

[0 m, ZAPAD]

[20 m,  ZAPAD]

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Zadani su vektori kao na slici. Odrediti veličinu vektora:
 c = b + 52a\overrightarrow{c}\ =\ \overrightarrow{b}\ +\ \frac{5}{2}\overrightarrow{a}  

c = 8 m

c = 5 m

c = 2 m

c = 1 m

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