An auto manufacturer advertises that their car can go "from zero to sixty in eight seconds." this is a description of what characteristic of the car's motion? a) instantaneous speed b) displacement c) average speed d) instantaneous acceleration e) average acceleration

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.