Physics, 09.02.2021 17:20 AptAlbatross
The universe consists of many galaxies. Which choice correctly identifies our home galaxy and its type?
A. Abell—elliptical
B. Milky Way—spiral
C. Andromeda—irregular
D. Sculptor—barred spiral
Answers: 1
Physics, 22.06.2019 11:30
Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
Answers: 3
Physics, 22.06.2019 12:00
Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
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 17:00
If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
Answers: 1
The universe consists of many galaxies. Which choice correctly identifies our home galaxy and its ty...
Social Studies, 01.09.2019 04:50
History, 01.09.2019 04:50
Mathematics, 01.09.2019 04:50
Biology, 01.09.2019 04:50
Biology, 01.09.2019 04:50
Social Studies, 01.09.2019 05:00
Biology, 01.09.2019 05:00
Mathematics, 01.09.2019 05:00
World Languages, 01.09.2019 05:00
Physics, 01.09.2019 05:00
Biology, 01.09.2019 05:00
Mathematics, 01.09.2019 05:00