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A microwave transmitter emits electromagnetic waves of a singlewavelength. The maximum electric field 1.22 km from the transmitteris 6.74 V/m. Assuming that the transmitter is a point source,
a. Calculate the maximum magnetic field at this distance.
b. Calculate the total power emitted by the transmitter.
Give examples of two objects that have different positions but undergo identical displacements. Please give another or a couple of examples other than a group of choreographed stage dancers.
a wire 4.0 m long with a mass of 20 g is under tension. a transverse wave is propagated on the wire for which the
If linear momentum is conserved when there is no external force applied, how is angular momentum conserved
A proton is released from rest at the positive plate of a parallel-plate capacitor. What will be the final speed of an electron released from rest at the negative plate
Two asteroids of equal mass collide with a glancing blow. Asteroid A, which was originally traveling at 40.0 m/s, is deflected 30.0? from its original direction, Find the speed of each asteroid after the collision
In compressing the spring in a toy dart gun, 0.4 J of work is done. What is the dart's kinetic energy as it leaves the gun
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.70 1011 m apart, What is the mass of the smaller star
A 500 gram ball swings in a vertical circle at the end of a 1.5 mlong string. When the ball is at the bottom of the circle,the tension of the string is 15 N. What is the speed of aball at that point?
A length of aluminum wire has a resistance of 16.0 ? at 28.0°C. When the wire is warmed in an oven and reaches thermal equilibrium, find the temperature of the oven
A sample of an unknown material appears to weigh 300N in air and 200N when immersed in alcohol of specific gravity 0.700. What are the volume and density of the material
two identical wheels are moving on horizontal surfaces. the center of mass of each has the same linear speed. however
Lets suppose if a pure Si crystal has 5 X 10 28 atoms m -3. It is dopped by 1 PPM concentration of pentavelents As( arsenic)
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