What effect does the Boat Velocity have on the waves seen by the observer? Towards the duck:

Away from the duck:

Same as the duck:

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

current flows in a wire

where is the