Which equation could be rearranged to calculate the frequency of a wave? wavelength = frequency/speed
frequency = wavelength/speed
wavelength = speed/frequency
frequency = speed x wavelength

Materials will have different energies associated with the electrons inside them. this is related to how strongly bound they are by their work function. if we sandwich a material with a very low energy between two materials with a high energy, we create a trap for an electron. if this trap is very narrow in one direction in comparison to the others, this is approximately a 1-dimensional box that confines the electron. what is the lowest energy of an electron in the box if the thinnest direction across the materials is 4.81 nm?

The two way interaction between aspects of the environment and aspects of the individual in the shaping of personality traits is called?

In set c, explain the difference in the magnitudes of the gravitational forces between the two pairs of objects