At point A, a runner is sprinting at 59 m/s. Sixty seconds later; at point B, the jogger's velocity is only 44 m/s. What is the runner's acceleration from point A to point B?

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.