What is this question asking me to explain? how can changing the kinetic energy of an object cause energy to be transferred to or from the object?

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius