Fter carrying out some tests at a local stream, you discover that the ph in the stream is extremely low. based on this, you should tell your friends to a) go home and play xbox. b) build a raft to raft down the stream. c) swim in and drink the water from the stream. d) not swim in or drink the water from the stream.
Answers: 3
Physics, 20.06.2019 18:04
The cement bag shown in the figure has a mass of 50 kg and the small pulley has a mass of 2 kg. if the cement bag is pulled upwards with an acceleration of 2 m/s^2, find the force f pulling the rope.
Answers: 2
Physics, 22.06.2019 00:00
Astate of matter all that has define volume and can flow is a(n)
Answers: 3
Physics, 22.06.2019 05:30
Could someone . i have tried to solve myself but my calculation is off
Answers: 3
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
Fter carrying out some tests at a local stream, you discover that the ph in the stream is extremely...
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