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The conductor bridge is giving an initial velocity V0 to the right. The circuit completed by this bridge has an increasing area as the bridge moves to the right which means an increasing magnetic flux. Thus we know from Faraday's law that a current is created in the circuit completed by this bridge proportional to its velocity.
So if the bridge continues to move freely forever, we have an infinite source of energy through generation of current. How is this violation of energy conservation resolved?
Find the equation of motion of the bridge and show that it slows down to rest eventually.
25 Superheated steam at 20 MPa, 560 degree C enters the turbine of a vapor power plant. The pressure at the exit of the turbine is 0.5 bar, and liquid leaves the condenser at 0.4 bar at 75 degree C.
Rod AB is bent into shape of a circular arc adn is lodged between two pegs D adn E. It supports a load P at end B. Neglecting friction and the weight of the rod, determine the distance c corresponding to equilibrium when a = 1 in and R = 5 in.
show work to prove the following problem an experimentalist claims to have raised the temperature of a small amount of
You can produce a parking token by two alternative methods. First, cut a 10 mm diameter billet to a length of 10 mm, and then closed-die forge it to the final size and shape (25 mm diameter). Second, you could start with a sheet of material, and stam..
suppose because of random variations introduced during fabrication the links of a chain have a random strength whereby
Using the data shown in Figures 6.14 (at 25oC) and 6.21, combine both curves onto one plot, being careful to correctly plot the modulus, yield strength, tensile (ultimate) strength, and ductility. Discuss how the modulus, yield strength, and ductilit..
an 18-m-long steel wire of 5-mm diameter is observed that the wire stretches 45 mm when a tensile force p is applied.
Rewrite the above description using the structured approach described in this chapter. Resolve the identified ambiguities in an appropriate way.
a solid aluminium sphere of emissivityepsilon is initially at an elevated temperature and is cooled by placing it in
Steam at 550 lbf/in.2, 70 oF enters a turbine operating at steady state and exits at 1 lbf/in.^2. The turbine produces 500 hp. For the turbine, heat transfer is negligible as are kinetic and potential energy effects. Determine the quality of the stea..
The professor takes a 3 liter empty can and fills it with saturated water vapor at 100 deg. C, 1 atm. He seals the can and immerses it in ice water. If the can is perfectly rigid, what is the final pressure in the can? And what mass fractions of the ..
the temperature disribution along a cylindrical rod of length l is given by the function txaxlbx2lcsinpixlde-alphaxl 0
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