The energy required to dislodge electrons from cesium metal via the photoelectric effect is 207 kj/mol . what wavelength (in nm) of light has sufficient energy per photon to dislodge an electron from the surface of cesium?

1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?