Homework Statement
Normalise Ψ(x,0) (use the fact that both ψ1 and ψ2 are stationary states).
Will this wave function be normalised at any later time, t > 0?
Homework Equations
A particle in an infinite square well of width a has as its initial wave function an even mixture of the first...
Homework Statement
I'm answering some questions to do with rockets and their momentum after 250s of engine time
t=250s
fuel rate of rocket= 480 kg/s
initial exhaust speed= 3.27 km/s
final velocity: 12.2 km/s
m (fuel at t=0) = 1.81*10^5 kg
m(total at t=0) = 2.55*10^5 kg
m (total at...