Physics, 18.03.2021 02:40 sierranicole114
Puterea dezvoltată de un delfin, care înoată cu viteza de 12km/h, este 100kW. Să se determine :a) forța de rezistență pe care apa o opune înaintării delfinului. b) lucrul mecanic efectuat de delfin în 20 minute.
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Puterea dezvoltată de un delfin, care înoată cu viteza de 12km/h, este 100kW. Să se determine :a) fo...
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