and provide maximum durability and shock resistance. quality optics in combination with high grade image intensifier tubes, glass lenses and electronics deliver outstanding performance. features features can be for safety and convenience. point trading night vision devices feature in field of view (...
deeper. we have to examine the rate of change of the vertical velocity of the wave. this is its vertical acceleration. we see that green vectors tug on blue vectors as blue vectors tug on the wave. $$ w(x, t) = \sin(x - t) $$ $$ \class{green}{ rac{\partial^ w(x, t)}{\partial t^ }} = \,?...
deeper. we have to examine the rate of change of the vertical velocity of the wave. this is its vertical acceleration. we see that green vectors tug on blue vectors as blue vectors tug on the wave. $$ w(x, t) = \sin(x - t) $$ $$ \class{green}{ rac{\partial^ w(x, t)}{\partial t^ }} = \,?...
deeper. we have to examine the rate of change of the vertical velocity of the wave. this is its vertical acceleration. we see that green vectors tug on blue vectors as blue vectors tug on the wave. $$ w(x, t) = \sin(x - t) $$ $$ \class{green}{ rac{\partial^ w(x, t)}{\partial t^ }} = \,?...
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