David wrote:
Sylvia Else wrote:

Anyway, all a test would do is show that the answer is probably
correct. It wouldn't make it any more obvious.

Sylvia.

Sylvia,

Draw yourself a vector diagram. Then with some simple trigonometry it
*should* be more obvious.

sigh

The test wouldn't make it more obvious.

I said I hadn't done the math. The math would give the result, not make
it obvious.

Sylvia.