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A car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. At the car's location the Earth's magnetic field has a magnitude of 0.3*10-4 T and is directed out of the ground at 35 degrees above the ground pointing Northward.
a) Calculate the range of induced emf on the antenna.
b) Specify the directions the car must travel to produce the minimum and the maximum values of that induced emf.
Television sets sometimes use a rabbit ears antenna to the right. A rabbit-ears antenna consists of a pair of metal rods. The length of each rod can be adjusted to one quarter of the wavelength of an electromagnetic wave whos frequency is 125 Mhz...
A beam of 6 MeV electrons passes through a 400 micro-meter thick silicon detector. Estimate the energy lost by the electrons when crossing 200 micro-meters, 300 micro-meters and the full thickness of the detector.
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A train is traveling due west with a velocity of 101.2 mph and then makes a turn to the northwest with a velocity of 95 mph
An electron is accelerated through an electric potential of 255 V, Find the radius in cm of the subsequent circular path for this electron
The resistance of a copper wire of length L meter is 0.1 ohms. If the diameter of the wire is 0.045cm, find out its specific resistance.
What is the gauge pressure of the water at the pump? Suppose steady, laminar flow of water, no viscosity, and no air drag on the water jet. The acceleration of gravity is 9.81 m/s2.
Two forces, F? 1 and F? 2, act at a point. F? 1 has a magnitude of 8.20N and is directed at an angle of 60.0, What is the x and component of the resultant force
A Carnot engine operates between temperatures of 747 and 324 K. Calculate what the efficiency would be if (a) the temperature of the hot reservoir were raised by 42.5 K or (b) if the temperature of the cold reservoir were lowered by 42.5 K. (Give ..
A flight attendant pulls her 65N flight bag a distance of 388m along a level airport floor at a constant velocity. The force she exerts is 38 N at an angle of 51° above horizontal.
If you put a 0.28 kg mass 15 cm from the axis of a massless disk, and you apply a 0.4 N force on a string wrapped at the disk's edge, what is the resulting angular acceleration
Two very small objects, whose charges are +1.0 and -1.0 C, Find the magnitude of the attractive force that either charge exerts on the other
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