- #1

magnifik

- 360

- 0

The formula is: m

_{*}= (h/2pi)

^{2}(d

^{2}E/dk

^{2})

^{-1}

the units of h are in J-s, and the units of E are in J so...

(J-s)

^{2}/J = J-s

^{2}

J = kg m

^{2}/s

^{2}

kg m

^{2}s

^{2}/s

^{2}= kg m

^{2}

why am i left with a m

^{2}unit??