Consider the observables a -x2 and b -l: a) construct the uncertainty principle for ơaơb b) evaluate σβ for the hydrogen state ψη1m c) what can you conclude about (xy) in this state?

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

The dot diagram represents the motion of the motorcycle as it moves from left to right

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton