Calculate ground state energy and normalised ground
A particle of mass m is constrained to move between two concentric impermeable spheres of radii r = a and r = b (a < b). There is no other potential. Calculate the ground state energy and the normalised ground state wavefunction.
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Vector B has a magnitude of 43 and is pointing at an angle of 38 degrees south of west. Find the magnitude and direction of A+B.
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A rifle is aimed horizontally at a target 54 {rm m} away. The bullet hits the target 2.0 {rm cm} below the aim point. What was the bullet's speed as it left the barrel?
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Describe one possible economic impact of redox reductions. How might that impact be lessened?
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