Skolēnu komanda no Aizkraukles uz konkursu šodien izbrauca 10. 30., bet no Jēkabpils 11. 10. Abas komandas Viesītē ieradās vienlaicīgi – 11. 47. Cik sekundes ilgāk ceļā pavadīja Aizkraukles skolēni?

8. klase tests

Quiz
•
Physics
•
8th Grade
•
Hard
Līga Blumbeka
Used 8+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2400
40
1620
3840
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Automašīnas benzīna tvertnes tilpums ir 57 litri, ρbenz.=700kg/m3.
Par cik kilogramiem palielinās automašīnas masa, ja tvertne ir piepildīta pilna ar benzīnu?
57 kg
70
39,9 kg
399
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Skaņas stiprumu mēra
Hz
lx
Db
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zāļu fabrikā dienā izgatavo 63 kg aspirīna. Katra tablete satur 0,5 g aspirīna.
Cik paciņas asperīna fabrika izgatavo diemā, ja vienā paciņā safasē pa 9 tabletēm
14000
700
1260
7000
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cik tālu no klints atrodas cilvēks, ja viņš atbalsi dzird pēc 6 sekundēm un skaņas ātrums ir aptuveni 330 m/s ?
1 km
2 km
1200 m
1980 m
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dota svārstību frekvence 19 Hz. Kāds ir šo svārstību veids ?
ultraskaņa
nevar noteikt
infraskaņa
dzirdamā skaņa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ķeguma HES atklāšanu var uzskatīt par Latvijas valsts elektrosistēmas izveides sākumu. Cik gadu 2019. gada decembrī apritēs kopš šī notikuma?
70
75
80
90
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