Efficient Energy Flow Chart: Transfers to Human, Computer, Lights & Ball

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The discussion focuses on creating an energy flow chart that illustrates the transfer of energy to a human, computer, lights, and a ball. The initial energy transfer starts with sunlight being absorbed by a plant, converting light energy into chemical energy stored in coal. The next step involves a factory combusting coal, which transforms chemical energy into thermal energy. Participants seek clarification on the types of energy transfers and appropriate verbs to describe these processes. The goal is to establish at least ten links in the energy flow chart leading to the specified endpoints.
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Homework Statement


Create an energy flow chart that has ends up transfering to a human, computer, lights (ceiling lights), and a ball. State what kind of transfer is going on and how it is transferred (verb).




The Attempt at a Solution



So far I have

Sun---light energy, plant absorbs--> Plant---Chemical energy, Fossilized---> Coal

The next one would be factory, but I do not know what kind of energy transfer or what kind of verb (processed?). I need at least 10 links that end up with human, computer, light, ball
 
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A factory combusts (burns) coal, which creates what?
 
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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