What is the energy difference ΔE between the l=0 and l=1 rotational states of diatomic hydrogen? Use 1.05×10−34J⋅s for ℏ. The equilibrium separation of the two hydrogen atoms in diatomic hydrogen is 0.074nm. The mass of a single hydrogen atom is 1.67×10−27kg.

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

How is the gravitational force related to the distance between two objects?

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay