Pls help asap :)
When the car engine is working normally, 2 kg of coolant passes through the radiator each second. The temperature of the coolant falls from 112 °C to 97 °C.
Calculate the energy transferred each second from the coolant.
Specific heat capacity of the coolant = 3800 J/kg °C
Answers: 1
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
Physics, 22.06.2019 17:50
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
Answers: 2
Physics, 23.06.2019 11:00
Olympic skier tina maze skis down a steep slope that descends at an angle of 30∘ below the horizontal. the coefficient of sliding friction between her skis and the snow is 0.10. i found maze's acceleration which is 4.1 m/s^2. but how do you determine maze's speed 4.0 s after starting?
Answers: 2
Physics, 23.06.2019 12:00
Standing at the same location, which organism would have the greatest gravitational attraction to the earth? a- your pet dog b- your pet ant c- your pet opossum d- your pet elephant
Answers: 1
Pls help asap :)
When the car engine is working normally, 2 kg of coolant passes through the radiat...
Chemistry, 22.06.2019 00:00
English, 22.06.2019 00:00
Mathematics, 22.06.2019 00:00
Mathematics, 22.06.2019 00:00
English, 22.06.2019 00:00
Mathematics, 22.06.2019 00:00
Mathematics, 22.06.2019 00:10
Mathematics, 22.06.2019 00:10
Mathematics, 22.06.2019 00:10
Physics, 22.06.2019 00:10
Mathematics, 22.06.2019 00:10
Mathematics, 22.06.2019 00:10