I need help pleas next use the charts tab enter the settings noted and answer the question

go to the charts tab and make sure all the settings are at zero set a small constant v on the velocity slider and check the show vector box below it and click play watch and describe what’s happening with the displacement velocity and acceleration graphs

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.