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A wire of Nichrome (a nickel-chromium-iron alloy commonly used in heating elements) is 1.5 meter long and1.9 mm2 in cross sectional area. It carries a current of 3.1 Amp when a2.0 Volt potential difference is applied between its ends. Find what is the conductivity of Nichrome.
A Carnot engine uses hot and cold reservoirs that have temperatures of 1850 and 845 K, respectively. The input heat for this engine is QH. The work delivered by the engine is used to operate a Carnot heat pump. The pump removes heat from the 845-K re..
problem 1 packed beds with adsorbent material are frequently used in pharmaceuti- cal industry for affinity
The electron beam inside a television picture tube is 0.4 mm in diameter and carries a current of 55 µA. What is the power delivered to the screen by the electron beam
Light of two wavelengths, ? = 520 nm and ?' = 550 nm falls normally on a diffraction grating having 3500 lines/cm. Determine the distance between the two spectrum lines in the first order. Repeat for the second order
The picture below shows a model of a human leg with a heavy weight on the ankle. It represents a person lying on his back doing leg-lifts to exercise the quadriceps. What is the magnitude of the gravitational torque
The gauge pressure in a helium gas cylinder is initially 26atm. What fraction of the original gas remains in the cylinder
the electric field between the plates of a parallel-plate capacitor is horizontal uniform and has a magnitude e. a
the index of refraction for red light in water is 1.331 and that for blue light is 1.340. what are the underwater angles of refraction for the blue and red components of the light
in unit-vector notation what is the torque about the torque about the origin on a particle located at coordinate 0
An asteroid is in a nearly circular orbit of radius 5.668 AU about the Sun. Determine the period of this asteroid
A novice skier, starting from rest, slides down a frictionless 35 degree incline whose vertical height is 185m. How fast is she going when she reaches the bottom.
The pilot of an aircraft wishes to fly due west in a 37.70 km/h wind blowing toward the south. The speed of the aircraft in the absence of the wind is 191 km/h.
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