Physics, 25.12.2019 22:31, GracieMaeB

Avery powerful vacuum cleaner which has a hose of circular cross section can lift a brick of mass 12 kg when the hose is placed perpendicularly on a horizontal flat smooth face of a brick. what is the minimum radius the hose opening should have to achieve this?

a). 1.9 cm
b). 2.6
c). 1.4 cm
d). 3.2 cm

Answers: 2

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Avery powerful vacuum cleaner which has a hose of circular cross section can lift a brick of mass 12...