A runner starts at a position of 5.0 m and travels at a rate of -3.2 m/s. Determine the time, in seconds, when the runner will reach a position of -17 m.

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem

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.