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which-object-or-substance-has-the-2rd-number-velocity-after-light-




Question Number 163858 by mathls last updated on 11/Jan/22
which object or substance has  the   2rd number velocity after light?
$${which}\:{object}\:{or}\:{substance}\:{has}\:\:{the}\: \\ $$$$\mathrm{2}{rd}\:{number}\:{velocity}\:{after}\:{light}? \\ $$
Commented by mathls last updated on 11/Jan/22
please?
$${please}? \\ $$
Commented by mathls last updated on 12/Jan/22
please ans me!
$${please}\:{ans}\:{me}! \\ $$

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