2. Juan likes to bike along the Bay Trail. One day last week, he was biking at about 7 m/s north when a gust of wind blew south for 10 s. If his acceleration due to the wind was 0.25 m/s² south, what was
his velocity when the wind stopped blowing?

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.