The world speed record on water was set on october
18,1978 by ken warby. if ken drove his motorboat a
distance of 1500m in 3,1023, how fast was his boat
moving in meters per second and kilometers per hour?

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.