Q. A 5280N red car is heading 52.4m/s east. A 6580-N blue car is heading on the similar path at a velocity of 32.4m/s west. After the two cars collide, the blue car is heading east a velocity of 22.3m/s. What is the velocity of red car?
Q. If the gas in a container absorbs 293 J of heat, has 106 J of work completed on it and after that does 35 J of work, what is the enhancement in the internal energy of the gas?