- TeX source:
- \displaystyle\require{cancel}\begin{align}\lambda&=\frac{h}{mv}\\&=
\displaystyle\frac{6.626\times10^{-34}\,\,\, \displaystyle\frac{\cancel{\text{kg}}\cdot\text{m}^{\cancel{2}}}{\cancel{\text{s}}} }
{\left(0.145\cancel{\text{kg}}\right)\left(46.7\displaystyle\frac{\cancel{\text{m}}}{\cancel{\text{s}}}\right)} \\ \\
&=9.78\,\,\times\,\,10^{-35}\,\,\text{m}
\end{align}