Two objects of masses 100g and 200g are moving along the same line and direction with
velocities of 2 m/s and 1 m/s respectively. they collide and after the collision, the first object
moves at a velocity of 0.5 m/s. determine the velocity of second object. answer with explanation

6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o