Which phrase describes velocity? a. a synonym for speed b. a vector quantity c. a quantity with magnitude only d. a quantity with no units

Velocity is a vector quantity.  Speed is a scalar quantity.  While the magnitude (number) of speed and velocity may be equal, what makes velocity a vector quantity is that it includes a direction.  Speed is a scalar quantity because there is no direction associated with it.

The correct answer is B: A vector quantity.

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper