You can't cross a scalar and a vector.
He couldn't
A Piecycle.
Mosquitoes
You can't. A mosquito is a vector and the mountain climber is a scaler. Courtesy of my physics professor.
Yoda-ling
No one knows. You can't cross a vector and a scalar.
Nothing, you can't cross a scaler with a vector.
Nothing, you can't cross a vector by a scalar. EDIT: changed multiply to cross.