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A magnetic dipole antenna is used to detect an electromagnetic wave. The antenna is a coil of 50 turns with radius 5.1 cm. The EM wave has frequency 870 kHz, electric field amplitude 0.56 V/m, and magnetic field amplitude 1.87 10-9 T. Assuming it is aligned correctly, what is the amplitude of the induced emf in the coil? (Since the wavelength of this wave is much larger than 5.1 cm, it can be assumed that at any instant the fields are uniform within the coil.)
A 47% efficient device uses chemical energy to generate 550J of electric energy. How much chemical energy is used
A turntable has rotational inertia I and is rotating with angular speed w about a frictionless vertical axis. A wad of clay with mass m is tossed onto the turntable and sticks a distance d from the rotation axis. The clay hits horizontally with it..
You slip a wrench over a bolt. Taking the origin at the bolt, the other end of the wrench is at x=18cm, y=5.5cm. What is the torque on the bolt
An object of mass 2.93 kg, moving with an initial velocity of (4.90i) m/s, Find the final velocity of the composite object
At a height of ten meters above the surface of a freshwater lake, a sound pulse is generated. How deep is the lake
In order to determine a newly developed material's specific heat conduct, material scientists conduct an experiment. what is the specific heat of the unknown
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 2.32 m/s. Ignore frictional losses. What is the translational speed of the frozen juice can when it reaches the bottom
A lamp which is 9.0 cm tall is in front of a concave mirror which has a focal length of 53.0 cm. (a) How tall is the lamp's image if the lamp is a distance of 26.5 cm from the mirror (include sign if negative)
A 1360 kg geosynchronous satellite orbits a planet similar to Earth at a radius 1.97 × 105 km from the planet's center. What is the force acting on this satellite
A ray of red light in air , 650nm, is incident on semicircular block of plastic n=1.51, Determine angle of reflection at first interface
Compute the horizontal distance
A cylinder of radius 25 cm is filled with an ideal fluid, If the height of the two cylinders is exactly the same, what mass should be placed on the second cylinder to balanced the system
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