45km/h * 0.5h= 22.5km
The car can travel 22.5km in 0.5 hours
i sorry i thought of geocentric as something else it appears that the earth was the center
Answer:
Sample Response: In a vacuum, there are no atoms or particles that interfere with the path of light. However, in other media, the speed of light is lower than 3.0 × 108 m/s because the wave is continuously absorbed and re-emitted by each atom in its path. The differences in speed are due to the composition of the medium and the density of the particles in the medium.
Explanation:
