Nothing. You can't cross a scaler and a vector.
The Newport (My first joke, sorry if bad 8)
A caiman like a wrecking ball.
Nothing, you can't cross a vector with a scaler.
Nothing! You can't cross scalars and vectors.
You can't. A mosquito is a vector and the mountain climber is a scaler. Courtesy of my physics professor.
Nothing, you can't cross a scaler with a vector.
Nothing. You can't cross a vector with a scalar.