Explain why
(a). To keep a piece of paper horizontal, you should blow over, not under, it
(b). When w try to close a water tap with our fingers, fast jets of water gush through the openings between our fingers
(c). The size of the needle of a syringe controls flow rate better than the thumb pressure exerted by a doctor while administering an injection
(d). A fluid flowing out of a small hole in a vessel results in a backward thrust on the vessel
(e). A spinning cricket ball in air does not follow a parabolic trajectory.