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ID number:712338
 
Evaluation:
Published: 07.06.2011.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Pa renīti tiek ripināta lode. To ripina un mēra 5 reizes.
Nepieciešams: lode, renīte, hronometrs.
Hipotēze: Ja renīte ir uzlikta augstāk, tad lode ripos ātrāk. Bet, jo zemāk renīte ir likta, jo lēnāk lode ripos.
Mērķis:
Noteikt vidējo lodītes ripošanas ātrumu atkarībā no augstuma,
Noteikt relatīvo un absolūto ātrumu kļūdas,
Veidot grafiku,
Atklāt hipotēzi.
Teorētiskais pamatojums:
1. Veic katra fizikālā lieluma n mērījumus, ko ieraksta tabulā.
2. Aprēķina V [ l/t ],
3. Aprēķina Vvid. [ Vvid = ∑V/ n1 ],
4. Aprēķina ∆Vi [ Vvid – V1, ],
5. Iegūst ∆Vi2.
6. Aprēķina ∆V [ ∆V =
7. Iegūst relatīvo kļūdu [ relatīvā kļūda = ∆V / Vvid * 100 = ... % ]…

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