Amodel of quantized rotational motion of a diatomic molecule (like o2) is the quantum rotator: two particles of mass m are separated by a massless rod of fixed length 2r. this barbell is free to rotate in 3d about its center of mass, which is fixed in space at r-0. (a) express the classical ke of the rotator in terms of its angular momentum and the moment of inertia. since pe is constant for the rotator (and can be set equal to zero), substitute the quantum operators for the classical quantities to obtain the hamiltonian operator of the rotator in terms of the operator of angular momentum. (b) find the energy spectrum enı and the eigenfunctions ynim of the quantum rotator. (c) find the degeneracy of the energy levels of the rotator.

gpe = mass x gravity constant x height or… gpe = mgh

where… mass: measured in kilograms (kg)

gravity: gravity constant on earth = 10.00 m/s2

height: measured in meters (m)

gpe: measured in joules (j) or kilojoules (kj)

how do you solve gpe?

gravitational potential energy (gpe) is the energy an object has because of its position above the. ground.

gpe = mass x gravity constant x height or… gpe = mgh.

mass:

note: to earn full marks when solving science word problems, you must show your work:

formula.

example:

given values:

mass = 0.3 kg.

electrical potential energy =0.072 j

explanation:

electrical potential energy is given by

u= q δv

q= charge=6 c

δv= potential difference and is given by

δv= e d

e= electric field

d= distance=5 mm=0.005 m

δv=2.4 (0.005)=0.012 v

now electric potential energy= u= q δv

u=6 (0.012)

u=0.072 j

conduct current i mean it makes sense