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Part A: A wall is composed of two materials. Material 1 has a thickness of 3.31 centimeter and a thermal conductivity of 0.1 while material 2 has a thickness of 6.58 centimeter and a conductivity of 1. If the temperature difference inside to outside is 25oC and the wall has an area of 10 m2, find the energy loss per second to the nearest watt?
Part B: In the above question, if the energy loss is 553 watts, the material 2 has a thickness of 5.87 centimeter and the inside temperature is 27.7oC, find the temperature of the interface to the nearest tenth of a degree Celsius?
A block of mass 1.75 kg is kept at rest as it compresses a horizontal massless spring (k = 88.3 N/m) by 5.59 cm. As the block is released, it travels 0.302 m on a rough horizontal surface before stopping
A particle undergoes uniform circular motion of radius 19.1 ?m in a uniform magnetic field. What is the kinetic energy of the particle
A ball is thrown so that its initial vertical and horizontal components of velocity are 50 m/s and 15 m/s, Estimate the maximum height the ball reaches
The windpipe of a typical whooping crane is about 4.5 ft long. What is the lowest resonant frequency of this pipe, assuming that it is closed at one end
Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
What would be the required internal diameter of a fluid conductor, assuming no friction losses, if the conductor willbe required to handle a fluid flow of 110 gal/min. At a fluidvelocity of 14.8 ft/sec.
if you walk 6.0 km in a straight line in a direction north of east and you end up 2.0 km north and several kilometers
A solenoid is wound with a single layer of insulated copper wire (of diameter 2.6 mm), What is the inductance per meter for the solenoid near its center
King Arthur's knights fire cannon from the top of the castle wall. The cannonball is fired at a speed of 60 m/s and an angle of 33. A cannonball that was accidentally dropped from the top of the castle wall hit the moat below in 1.80s.
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Estimate the density of the nucleus of an atom
A jet plane passes over you at a height of 4990 m and a speed of Mach 1.75. Find the Mach cone angle
A train has a speed of v = 66.5 km/h. If the acceleration experienced by the passengers is to be less than 0.35 g, find the smallest radius of curvature R acceptable for the track
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