angelrenee2000
03.07.2020 •
Physics
A body moves with it position varying as R vector =(4t2−16t)i^ +3t^2 j^ meters. What is the y component of its velocity when the x component is zero Find also the position vector of the body at this instant.
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Ответ:
It is characterized as an alkali metal
it has 11 electrons & protons
the atomic mass unit is 22.99