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Question: Two identical rooms (as sketched in Figure) are heated differently during wintertime by means of two heat sources of known heat flow rates q1 and q2. The
rooms have identical walls separating the conditioned space from the outside. Heat also flows through the wall separating the two rooms, which is different from the outside walls. Knowing the outside temperature is io, derive the mathematical model of this thermal system where the output amounts are the two room temperatures i1 and i2. Known are the thermal resistances of the outside walls Rth,o, the thermal resistance of the separating wall Rth, and the thermal capacitances of the two rooms Cth, as well as the outdoor temperature io and the two source heat flow rates q1 and q2.
Find what force is exerted on the water in an MHD drive utilizing a 25 centimeter diameter tube, if 100 Amp current is passed across the tube perpendicular to a 1.75 T magnetic field
A uniform solid flywheel of radius 1.4m and mass 15kg rotates at 2.4 rad/s. What is the magnitude of flywheel's angular momentum in kg.m^2/s.
Assume that at a given frequency the opacity of the stellar plasma at the surface of a given star is dominated by Thomson scattering. What percentage of the solar radius is this value
Two rings of radius 5 cm are 20 cm apart and concentric with a common horizontal x-axis. The ring on the left carries a uniformly distributed charge of +35 nC, and the ring on the right carries a uniformly distributed charge of -35 nC. What is the e..
A child sitting 2.00 m from the center of a merry-go-round moves with a speed of 1.65 m/s. Compute the centripetal acceleration of the child (m/s), and the net horizontal force exerted on the child (N). (m = 29.0 kg).
The efficiency of a Carnot engine is 27%. The engine absorbs 795 J of heat per cycle from a hot reservoir at 499 K. Determine the heat expelled per cycle and the temperature of the cold reservoir.
The pion has an average lifetime of 26.0 ns when at rest. In order for it to travel 15.0 m, How fast must it move
A power station delivers 530 kW of power at 12,000 V to a factory through wires with total resistance 3.5. How much less power is wasted
a car rounds a flat curved road radius 100 m at a speed of 25.0 ms and is about to slide at this speed. what is the
The internal energy of a gas is 547.J. The gas is compressed adiabatically, and its volume decreases by 125.cm3, what is the internal energy of the gas after the adiabatic compression
A rectangular fish tank measures 20 cm by 70 cm by 40 cm high. The tank is filled with water to a depth of 37 cm. What is the total force of the water on the bottom
Calculate the equivalent diameter of the annular space between a 1-1/2- and a 2411. Schedule 40 pipe.
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