Physics, 25.05.2021 22:00, mustachbrah
There are 4000 pounds of water in the jacket of a reactor that are initially at 145 oF. At time equal zero, 70oF cooling water is added to the jacket at a constant rate of 500 pounds per minute. The holdup of water in the jacket is constant since the jacket is completely filled with water and excess water is removed from the system on pressure control as cold water is added. Water in the jacket is perfectly mixed. How many minutes does it take the jacket to reach 106 oF of a constant 360,000 Btu/h of heat is transferred into the jacket from the reactor, starting at time equal to zero when the jacket is at 145oF
Answers: 1
Physics, 21.06.2019 19:00, dasiaflowers85
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
Answers: 3
Physics, 22.06.2019 09:00, perezsamantha3oqr0za
As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
Answers: 2
Physics, 22.06.2019 18:00, pleasedontspamme
Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?
Answers: 2
There are 4000 pounds of water in the jacket of a reactor that are initially at 145 oF. At time equa...
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