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Dinamika - zadaci

Authored by Lucija Matkovic

Physics

9th Grade

Used 16+ times

Dinamika - zadaci
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5 questions

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1.

OPEN ENDED QUESTION

3 mins • Ungraded

(1 bod) Kolika sila djeluje na tijelo mase 12 kg ako se ono giba jednoliko ubrzano akceleracijom 5 m/s2?

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2.

OPEN ENDED QUESTION

3 mins • Ungraded

(2 boda) Koliki put prevali tijelo mase 30𝑘𝑔 za 20 sekundi ako na njega djeluje sila 210 𝑁?

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3.

OPEN ENDED QUESTION

3 mins • Ungraded

(3 boda) Koliko vremena će biti potrebno tijelu mase 12𝑘𝑔 da prijeđe put duljine 15𝑚, ako je koeficijent trenja između tijela i podloge 0.3?

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4.

OPEN ENDED QUESTION

3 mins • Ungraded

(3 boda) Čovjek mase 100𝑘𝑔 trči brzinom 8𝑘𝑚/ℎ i stigne kolica mase 80𝑘𝑔 koja se gibaju brzinom 2.9𝑘𝑚/ℎ te skoči u njih. Kolikom brzinom će se gibati čovjek i kolica? (Pretvoriti km/h u m/s)

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5.

OPEN ENDED QUESTION

3 mins • Ungraded

(2 boda) Avion se kreće oko Zemlje blizu zemljine površine, tako da je visina na kojoj se nalazi zanemariva u odnosu na polumjer Zemlje. Koja je brzina aviona? (𝑅𝑧=6,4 𝑘𝑚)

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