Ze (З з; italics: З з) or zemlja is a letter of the Cyrillic script.
It commonly represents the voiced alveolar fricative /z/, like the pronunciation of ⟨z⟩ in "zoo".
Ze is romanized using the Latin letter ⟨z⟩.
The shape of Ze is very similar to the Arabic numeral three ⟨3⟩ and the Cyrillic letter E ⟨Э⟩.
== History and shape ==
Ze is derived from the Greek letter Zeta (Ζ ζ).
In the Early Cyrillic alphabet its name was землꙗ (zemlja), meaning "earth". The shape of the letter originally looked similar to a Greek or Latin letter Z with a tail on the bottom (ꙁ). Though a majuscule form of this variant...
A particle of charge $q$ and mass $m_0$
is subject to the action of a uniform electro-magnetic field $\vec{E}=(0,E,0), \vec{B}=(0,0,B)$ and at
$t = 0$ moves with velocity $\vec{v}=(v_1,v_2,v_3)$.
What is the acceleration at $t = 0$ if $v_1 = v_3 = 0$?
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Are both particles detected in the exact same spot of the detector? Something else?
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Can someone explain the phenomena of dowsing? How does this technique locate water running underground? Note that this water can be running in a pipe as well.
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