Four different objects are placed on a number line at 0. the chart describes the motion of each object.
object
motion
w
3 units left, then 3 units right
6 units right, then 18 units right
8 units left, then 24 units right
16 units right, then 8 units left
using the information in the chart, the distance and displacement of each object can be determined. which object has a
distance that is three times as great as its displacement?
ow
5 χ
e o ed
σ ν

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.