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Briefly describe what is meant by floating head pressure and tell why it is used in refrigerantion and air conditioning system..
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Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
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Physics, 22.06.2019 16:30
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
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Physics, 23.06.2019 05:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force
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Physics, 23.06.2019 05:40
Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed
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Briefly describe what is meant by floating head pressure and tell why it is used in refrigerantion a...
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