query: Why is the wave of a sound in a tube reversed?
positive_passages.docid: 16295
positive_passages.text: How can standing waves be produced in an open organ pipe if the ends are open?
negative_passages.docid: 133044
negative_passages.text: Intuitive explanation of the difference between waves in odd and even dimensions
negative_passages.docid: 151850
negative_passages.text: About an upside down cup of water against atmosphere pressure
negative_passages.docid: 82746
negative_passages.text: Confusion regarding the direction of an electric field
negative_passages.docid: 65463
negative_passages.text: Explanation: Simple Harmonic Motion
negative_passages.docid: 100773
negative_passages.text: Why does destructive interference not stop a wave?
negative_passages.docid: 100964
negative_passages.text: What exactly is the "coherence" between waves?
negative_passages.docid: 131149
negative_passages.text: If electrons are waves, how do they repel each other?
negative_passages.docid: 92141
negative_passages.text: Why do wheels appear to revolve opposite to the direction they are rotating?
negative_passages.docid: 131017
negative_passages.text: Is the op-amp inverting or non-inverting?
negative_passages.docid: 23613
negative_passages.text: Why is pressure in a liquid the same in all directions?
negative_passages.docid: 116231
negative_passages.text: Frequency of the sound when blowing in a bottle
negative_passages.docid: 3549
negative_passages.text: Why does Venus spin in the opposite direction?
negative_passages.docid: 26638
negative_passages.text: Why do travelling waves continue after amplitude sum = 0?
negative_passages.docid: 21358
negative_passages.text: Why there's a whirl when you drain the bathtub?
negative_passages.docid: 93435
negative_passages.text: What is a "Reversed Effective Force"?
negative_passages.docid: 3808
negative_passages.text: Why do same/opposite electric charges repel/attract each other, respectively?