During a hard sneeze your eyes might shut for 0.5sec .if you are driving a car at 90kmhr during such a sneeze, how far does the car move during that time?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost

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.