Fysik
Hjælp det haster!! fysik/matematik
hvis jeg bruger 10 min på at vente på bussen hvordan regner jeg så ud hvor stor en del af min dag jeg bruger på at vente på bussen.
Bussen tilbagelægger en distance på 23 km på 20 minutter. hvilken hastighed har den så kørt med?
’Danskerne brugte i 2010 23 millioner kWh på julelys, Hvor mange standard solceller skal der til at levere energi til danskernes julelys?
i en marsbar er der 262 kalorier. hvor lang tid skal spiller håndbold for at forbrænde det? en gennemsnitlig person omsætter 370 kJ pr. sekund.
jeg vil gerne vide hvordan jeg regner det ud.
håber virkelig i kan hjælpe.
tak på forhånd
Svar #3
19. september 2012 af Singlefyren (Slettet)
1. 10/24/60
2. Prøv at gange med 3 og se hvad der så sker.
3. Du skal kende kwh værdien for een solcelle. 23mio/dette tal.
4. Find (google) forholdet mellem kalorie og J. Husk at 370KJ = 370 tusinde J
Håber ikke du er matematisk :)
Svar #4
19. september 2012 af Jerslev (Slettet)
#2: Det er du nødt til at have. Den første er lige til højrebenet.
Svar #5
19. september 2012 af 4990 (Slettet)
tak for hjælpen:)
matematik er bare ikke lige en af mine stærke sider;)
Svar #6
19. september 2012 af YesMe (Slettet)
Det er ikke matematik,
men fysik!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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lol
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