Which is an example of speed?


Cindy biked westward at 30 km/h.

A rock is to the left of a flowerpot.

A dog runs an average of 8 mph.

Leo lives 2 miles north of Andre.

Respuesta :

a dog runs an average of 8 mph
               or
cindy biked westward at 30 km/h
AL2006
Cindy biked westward at 30 km/h.
Velocity.  (We know both the speed AND the direction.)

A rock is to the left of a flowerpot. 
Relative location.

A dog runs an average of 8 mph.
Speed (distance divided by time)

Leo lives 2 miles north of Andre.
Relative location.