Calculating E_0: Find Expression to Solve

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AI Thread Summary
The discussion centers on the challenge of calculating E0 in the context of electromagnetic waves and electric fields. The user expresses difficulty in finding a straightforward expression or formula that relates to E0, despite searching through online resources and textbooks. They note that E equals E0 at a specific instance, indicating the need for clarity on E0's definition. Other participants emphasize the importance of providing complete information for effective assistance. The conversation highlights the need for a clear understanding of E0 within electrodynamics.
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Homework Statement



Considering electromagnetic waves in an electric field E, I need to calculate E0 but I can't find an expression to do this.

Homework Equations



Something in terms of E0.

I know that E=E_0 at the particular instance being considered, hence why need to calculate E_0

The Attempt at a Solution



Despite looking online and in EM books I can't find a simple way to find E0. I'm sure this can't be that difficult to do.. I thought there would just be a simple electrodynamics formula containing it. I'm not really sure of the definition of E0.
 
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please complete your question. it gives no information at all.
 
supratim1 said:
please complete your question. it gives no information at all.

Sure.. I've just re-edited it.
 
Thread 'Variable mass system : water sprayed into a moving container'

Thread 'Variable mass system : water sprayed into a moving container'

Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
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