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Kinematika - zadaci

Authored by Lucija Matkovic

Physics

9th Grade

Used 12+ times

Kinematika - zadaci
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6 questions

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1.

OPEN ENDED QUESTION

3 mins • Ungraded

(1 bod) Kolika je srednja brzina molekule nekog plina koja bez sudara prevali put od 6 m u vremenu od 0,01 s?

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2.

OPEN ENDED QUESTION

3 mins • Ungraded

(1 bod) S koje visine pada tijelo ako mu je bilo potrebno 5 s da dođe do poda? Kojom brzinom tijelo udari o pod?

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3.

OPEN ENDED QUESTION

3 mins • Ungraded

(2 boda) Koliko je vremena potrebno automobilu da ubrza s 54 km/h na 108 km/h ako znamo da ubrzanje automobila iznosi 2 m/s2 ? (pretvoriti km/h u m/s)

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4.

OPEN ENDED QUESTION

5 mins • Ungraded

(3 boda) Auto prve 4 𝑠 vozi jednoliko pravocrtno brzinom 5 𝑚/𝑠. Zatim sljedećih 6 𝑠 ubrzava do 30 𝑚/𝑠 kako bi stigao proći kroz semafor prije crvenog svjetla. Izračunaj ukupan prijeđeni put tijekom ovog gibanja.

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5.

OPEN ENDED QUESTION

3 mins • Ungraded

(1 bod) Ako automobil poveća brzinu s 56 km/h na 74 km/h u 7 sekundi, kolika je akceleracija automobila?

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6.

OPEN ENDED QUESTION

30 sec • Ungraded

Media Image

(4 boda) Zadan je s-t graf. Nacrtaj v-t graf.

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