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Consider two antennas separated by 14.0 mthat radiate in phase at 85 MHz. Areceiver placed 150 m from both antennas measures an intensity/0. The receiver is moved so that it is2.2 m closer to one antenna than the other.
a) What is the phase difference ? between the two radio waves produced by this path difference? radb) In terms of /0, what is the intensitymeasured by the receiver at its new position? X/0
The International Space Federation constructs a new spaceship thatcan travel at a speed of 0.995c. Mary boards the spaceship totravel to Barnard's star which is 5.98 ly away. After reachingBarnard's star, the spaceship travels slowly around the st..
A dead battery of 10v has an internal resistance of 1 ohms and is connected in parallel with jumper cables to another car with a 12v battery with internal resistance of 0.01 ohms
A 77 person stands on the uniform ladder 4.0 long, that weighs 100. The floor is rough; hence, it exerts both a normal force, and a frictional force, on the ladder. The wall, on the other hand, is frictionless; it exerts only the normal force.
an object is moving along a straight line and the uncertainty in its position is 1 m.a find the minimum uncertainty in
In a particular double slit experiment, ther distance between the slits is 50 times the wavelength of light. find the angles at whcih the first two minima occur
How much voltage must be used to accelerate a proton (radius 1.2x10^-15m ) so that it has sufficient energy to just penetrate a silicon nucleus? A silicon nucleus has a charge of , and its radius is about 3.6 x10^-15m. Assume the potential is that fo..
A spherical drop of water carrying a charge of 11 pC has a potential of 590 V at its surface (with V = 0 at infinity). What is the radius of the drop
A parallel-plate capacitor in air has a plate separation of 1.59 cm and a plate area of 25.0 cm2. obtain the charge on the plates before and after immersion
the image of a tree just covers the length of a plane mirror 3.60cmnbsptall when the mirror is held 38.0cmnbspfrom the
A 0.40 kg ball, attached to the end of a horizontal cord, isrotated in a circle of radius 1.6 m on africtionless horizontal surface. What is the maximum speed the ball can have
If the capacitor and unductor in part (a) are connected in an L-C circuit, what will be the resonance angular frequency of that circuit
A hot-air balloon has a volume of 2741 m3. The density of the air outside the balloon is 1.205 kg/m3. How much weight can the balloon lift
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