Part h solve for the tension in the left rope, tl, in the special case that x=0. be sure the result checks with your intuition. express your answer in terms of w and the dimensions l and x. not all of these variables may show up in the solution.

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.