Physics, 09.10.2019 05:20 pencil8184
Atank whose volume is unknown is divided into two parts by a partition. one side of the tank contains 0.03m3 of refrigerant-134a that is a saturated liquid at 0.9 mpa, while the other side is evacuated. the partition is now removed, and the refrigerant fills the entire tank. if the final state of the refrigerant is 20◦c and 280 kpa, determine the volume of the tank.
Answers: 3
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If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10
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Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.
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Physics, 22.06.2019 19:00
The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
Answers: 1
Atank whose volume is unknown is divided into two parts by a partition. one side of the tank contain...
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