Give an example of how the apparent motion of an object depends on the observers motion

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

Decreased sensitivity to an unchanging stimulus is known as