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NASA has attempted to use the concept of motional EMF to produce energy for satellites in orbit. The space shuttle would release a satellite that is tethered to it by a strong conductive cable. The satellite, cable, and space shuttle would then be traveling perpendicular to the Earth's magnetic field (above the equator) with a value of 5.0 x 10^-7 T at a speed of 17,500 miles per hour. The cable length is 1.00 mile long. If the satellite has an average current of 200 mA, what is the equivalent resistance of the electrical system of the satellite? (this is motional emf).
A ray of light is incident from the air onto the surface of a diamond (n=2.42) at a 30 degree angle to the normal, calculate the speed of light in the diamond
A crate travels 30 m due to a constant force of 350 N. The friction can be neglected for the first 15 m. What is the final speed of the crate if it weighs 110 kg
Nichrome wire of cross-sectional radius 0.758 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
A person swimming underwater sees a lifeguard who is standing in the shallow part of the pool; the water comes up to the lifeguard's waist. In what way does the swimmer see lifeguard's upper body distorted.
What is velocity of wind that is moving the plane
A research submarine has a 10-cm-diameter window that is 8.7cm thick. What is the submarine's maximum safe depth in salt water
A skier wears a jacket filled with goose down that is 15 mm thick. Another skier wears a wool sweater that is 7.00 mm thick. Both have same surface area.
A student sees a newspaper ad for an apartment that has 1830 square feet (ft2) of floor space. How many square meters of area are there
A car starts from rest at a stop sign. It accelerates at 4 for 6.4, coasts for 1.5, and then slows down at a rate of 3.5 for next stop sign. How far apart are the stop signs.
A potential difference of 5.80 V will be applied to a 35.00 m length of 18-gauge tungsten wire, Calculate the rate at which thermal energy will appear in the wire
What is the final charge of each conductor. Two identical spherical conductors X and Y are mounted on insulated stands. X carries the charge of +8.0nC and Y carries a charge of -2.0nC.
In a Young's double slit experiment, if the separation between the two slits is 0.050mm, find the spacing between the first order and second order bright fringes for light with wavelength of 600nm
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