Physics, 24.08.2021 08:00 oliviavaughan01
The car travels at constant velocity. It covers 250 m in 40 s. Calculate the average velocity during this time.
Answers: 1
Physics, 21.06.2019 21:30
Aquantity of gas has a volume of 1.5 m3 and an absolute pressure of 95 kpa. when the gas is compressed to a volume of 0.5 m3, what is the new absolute pressure of the gas? (assume that there’s no change in temperature.)
Answers: 3
Physics, 21.06.2019 23:10
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.
Answers: 2
Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
Answers: 1
Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
Answers: 2
The car travels at constant velocity. It covers 250 m in 40 s. Calculate the average velocity during...
Mathematics, 29.10.2020 01:00
Physics, 29.10.2020 01:00
Mathematics, 29.10.2020 01:00
History, 29.10.2020 01:00
Mathematics, 29.10.2020 01:00
Mathematics, 29.10.2020 01:00
Social Studies, 29.10.2020 01:00
English, 29.10.2020 01:00
History, 29.10.2020 01:00