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Rad, energija , snaga -ponavljanje

Authored by diana lendvaj

Physical Ed

7th Grade

Used 34+ times

Rad, energija , snaga -ponavljanje
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rad se u fizici označava velikim slovom

R

W

D

A

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mjerna jedinica za rad je

wat

kilogram

džul

newton

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula za RAD

W=FpW=F\cdot p

W=FsW=F\cdot s

W=FsW=\frac{F}{s}

W=PmW=P\cdot m

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Energija može nestati

Da

Ne

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Leptir i golub lete jednakom brzinom. Veću kinetičku energiju ima:

Leptir

Golub

Oba imaju jednaka jer oboje lete

Nijedan jer su oboje u zraku

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula za izračunavanje gravitacijske potencijalne energije je

Ep=mghE_{p_{ }}=m\cdot g\cdot h

Ep =mvdE_p\ =m\cdot v\cdot d

E =mgE\ =\frac{m}{g}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kolika je gravitacijska potencijalna energija kugle mase 5 kg kada se nalazi na visini 10 m?

50J

500J

2J

15

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