Assuming simple linear motion, then speed would be measured in meters per second. (or kilometres per hour, or similar.)
The symbol c is often used for velocity ; shorthand for celerity.
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Wavelength is in meters, the frequency is in hertz. period is in seconds and the wave speed is in meters per second.
Speed measured in units is called velocity. Velocity is a vector quantity that expresses the rate of change of position with respect to time, and includes both the speed and direction of an object's motion.
The official unit for speed is meters/second. Any other combination of units, where you divide distance/time, may also be used. One such unit that is commonly used is kilometers/hour. Some units used for speed don't explicitly reference distance and time; for example, a certain fraction of the speed of light in a vacuum, or the unit called "knots" which is used for ships.
The answer depends on the units in which the speed of light is given as 3.00
1.5 no units (APEX)