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1. What are the mechanisms of heat transfer? How are they distinguished from each other?
2. Two surfaces of a 2-cm-thick plate are maintained at 0°C and 80°C, respectively. If it is determined that heat is transferred through the plate at a rate of 500 W/m2, determine its thermal conductivity.
A uranium-fuelled research reactor has a cubic shape with sides of length 1.0 m. estimate the power out of the reactor in units of watts
In a classic carnival ride, patrons stand against the wall in a cylindrically shaped room. Once the room gets spinning fast enough, What is the speed of a person "stuck" to the wall in (m/s)
A stationary proton (q=1.60*10^6 c) is located among the poles of a horseshoe magnet. Where the magnetic field strength is 0.15 T. What is the magnitude of the magnetic force acting on the proton?
Steam at 18 MPa and 600 C is contained in a cylinder of volume 0.5 m^3. Calculate the heat rejcted by the steam
A hypodermic needle is attached to a syringe with a plunger of diameter 1.6 cm. What is the minimum force must be applied to the plunger
the resistance of a very fine tungsten wire with a 10 micro m x 10micro m square cross section is 2978 ohm how long is
The free end of the copper rod is maintained at water"s boiling point, and the free end of the brass rod is maintained at water"s freezing point.
A 200-pound boy lifts a 40-kg box off of the floor 1.3 meters in 0.7 seconds. determine Which boy is more powerful
If the boat driver wishes to land the boat at a dock on the other side of the river directly oppistie his starting position, Which direction should the boat driver point his boat
You place 108 moles of hydrogen gas in a balloon of volume 2.3 m3, and find the pressure to be 1.6 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
A ball of mass M is moving horizontally at 6.00m/s. It collides in elastically with a block with mass 3 M that is initially hanging at rest from the ceiling on the end of a 70cm wire
you want to design an oval racetrack such that 3200 lb racecars can round the turns of radius 1000 ft at 104 mih
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