an electron movigalong x axis has a position given by x= 16te to the power -t(only e has been raised to the power -e)...where t is time in sec...how far is the electron from the origin when it momentarily stops?

Dear shivanshi

x= 16te^-t

v=dx/dt =16^e-t(1-t)

put   v=0 

    16^e-t(1-t) =0

    t=1 sex

so x at t=1  is   =16e^-1 

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