What is the energy difference between the second excited state and first excited state of an electron in the "box" of size l=1nm? a) 1.9 ev b) 1.1 ev c) 0.6 ev d) 0.3 ev e) 0.2 ev

What is the radius of the circular path ofa charged particle in a magnetic field?

Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere

The basketball coach tells his team to run sprints back and forth across the court, which is 30 m long. they start at the left end of the court, run back and forth 6 times, then end back at the left end of the court where they began. what distance did they run? what is their displacement?