Consider a vacuum cleaner whose suction nozzle (see diagram) has the size in the forward direction. For height h
the ground, it can be assumed that the suction power remains constant and known value F and that a particle can be considered " sucked " if it reaches the quota h speed v 0 note.
Under these conditions, notes that the sizes: l, h, F, v 0 gravitational acceleration g , determine: The maximum M mass drawn through the vacuum cleaner quiet.
The little problem is not easy (deliberately) but can be solved using the laws of dynamics.
I look forward to attempts to solve, even partially, to the authors of which will be assigned a (+), then if someone finds the correct solution and then complete: (++++).
Enjoy!
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