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Question: Consider the heat transfer between the conditioned space of a room with four walls and the outdoors.
(a) Find the transfer function corresponding to the indoor and outdoor temperatures i1 and i2 assuming that i2 > i1.
(b) Determine i1 and plot it as a function of time when i2 = 40°C. Known also are the following data for the wall: height h = 4 m, width w = 10 m, length l = 0.2 m, thermal conductivity k = 0.04 W/m-C; and for the air in the room space, mass density t = 1.1 kg/m3 , constant-pressure specific heat cp = 1100 J/kg-C and i1(0) = 20°C.
you need a transformer that will draw 34w of power from a 220 v rms power line stepping the voltage down to 12v rms.a.
The total volume of the column of water in the neck is 0.200 m^3. Illustrate what is the magnitude of the force exerted by the water on the bottom of the container?
A satellite has a mass of 102 kg and is located at 2.02 106 m above the surface of Earth. find the magnitude of the gravitational force on the satellite
q1. what is the width of a slit for which the distance between two first order minima is 1 cm? the slit is illuminated
a hiker walks 53.1 degrees north of east for 2.5km then due east for 2.0km. what is her total displacement from her
A gardener pushes down on the handle of a lawnmower, applying a force of 250 Newton. find what is the acceleration of the 20 kilogram lawnmower
A capacitor is fully charged using a battery with Vemf = 153.7 V. The battery is disconnected and a resistor with R = 697.9 ohm is connected across the capacitor. The current flowing in the resistor after 5.391 s is 1.033*10-1 A. Determine what is th..
A ranger in a national park is driving at 52 km/h when a deer jumps onto the road 86 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -2.9 m/s2.
Please address the 2-D/3-D cases for the particle in a finite box of infinite depth. What are the eigenfunctions and eigenvalues now
The magnetic drag force due to eddy currents on a conducting plate moving during a magnetic field means that a plate dropped vertically among the poles of a magnet will reach a terminal speed, just like an object falling in air.
In a hydraulic garage lift, the small piston has a radius of 5.0 centimeter and the large piston has a radius of 15 centimeter. Find what force must be applied on the small piston
A 1.7 kg mass is held at rest on top of a frictionless and horizontal table. A light string loops over a pulley which is in the shape of a 10 cm radius solid disk which has a mass of 1.7 kg. The light string then supports a mass of 1.7 kg which is..
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