1,5
Объяснение:
Дано:
a = 4 м
b = 0,3 м
c = 0,25 м
р = 1000 кг/м³
Найти: F арх - ?
F арх = pgV погружённой части тела (далее - пчт)
Т.к. V пчт = 0,5V по условию задачи, а V = abc, то
V пчт = 0,5abc
F арх = 0,5pgabc
F арх = 0,5 × 1000 кг/м³ × 10 Н/кг × 4 м × 0,3 м × 0,25 м = 1500 Н = 1,5Дано:
a = 4 м
b = 0,3 м
c = 0,25 м
р = 1000 кг/м³
Найти: F арх - ?
F арх = pgV погружённой части тела (далее - пчт)
Т.к. V пчт = 0,5V по условию задачи, а V = abc, то
V пчт = 0,5abc
F арх = 0,5pgabc
F арх = 0,5 × 1000 кг/м³ × 10 Н/кг × 4 м × 0,3 м × 0,25 м = 1500 Н = 1,5
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Объяснение:
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