Answer:
12
Explanation:
600/50 is 12 so the answer is twelve
Speed is a description of how fast an object moves; velocity is how fast and in what direction it moves. In physics, velocity is speed in a given direction. When we say a car travels at 60 km/h, we are specifying its speed.
The light must be either very dim or else non-existent.
We can't see the light wave or the label.