Physics, 29.01.2022 06:20 monica1217
A car starts from rest at a stop sign. It accelerates at 3.76 m/s2 for 4.45 seconds, coasts for 3.37 s, and then slows down at a rate of 2.92 m/s2 for the next stop sign. How far apart are the stop signs
Answers: 1
Physics, 22.06.2019 14:20, jeny89
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 15:00, banna01man
Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive
Answers: 2
Physics, 22.06.2019 17:10, mrylenastewart
The particles that are found in the nucleus of an atom are
Answers: 1
A car starts from rest at a stop sign. It accelerates at 3.76 m/s2 for 4.45 seconds, coasts for 3.37...
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