the initial kinetic energy of an object moving on a horizontal surface is K. Friction between the object and the surface causes the velocity of the object to decrease uniformly to zero in time t. What is the kinetic energy of the object at time = t/2?​

State the following: boyle's law and charle's law

Which of the following is not a physical property of mattera. melting pointb. heat of combustionc. viscosityd. boiling point

Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)