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  • 24 votes cast
Mar
19
awarded  Yearling
Jan
9
awarded  Critic
Jan
8
comment Conservation of Momentum/Energy collision Problem
I think the problem as worded is a bit vague. Since you are told the balls travel in a direction perpendicular to the motion of the cart, momentum conservation rules out a and b. I need to look at this in the morning when I'm not tired.
Jan
8
comment What does $\Psi^*$ mean in Schrodinger's formulation of Quantum Mechanics?
Usually you get the wave function at time t=0 and the evolution of the wave function is governed by the Schrodinger equation.
Jan
8
answered What does $\Psi^*$ mean in Schrodinger's formulation of Quantum Mechanics?
Oct
24
awarded  Teacher
Oct
24
answered Know altitude and speed of an object in orbit, with true anomaly
May
18
awarded  Supporter
May
16
awarded  Autobiographer