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ID number:309481
 
Evaluation:
Published: 19.04.2011.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Zemūdens vidējo blīvumu regulē ar ūdens daudzumu zemūdens cisternās, tādejādi var panākt zemūdens peldēšanu un uzpeldēšanu.

Uz kuģa ir ūdenslīnija, pēc kuras nosaka pieļaujamo kuģa iegrimi.

Jo ūdenim lielāks blīvums , jo cilvēkam vieglāk peldēt.
Nāves jūrā sāļu koncentrācija ir 30 % tādēļ cilvēks tik blīvā šķīdumā negrimst.

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