A 1,000-kilogram car traveling with a velocity of 20 m/s slow down until it comes to rest. What is the magnitude of the impulse applied to the car to bring it to rest?

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.