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Waves from a radio station have a wavelength of 365 m. They travel by two paths to a home receiver 20.0 km from the transmitter. One path is a direct path, and the second is by reflection from a mountain directly behind the home receiver. What is the minimum distance in meters from the mountain to the receiver that produces destructive interference at the receiver? (Assume that no phase change occurs on reflection from the mountain.)
Light waves with two dissimilar wavelengths, 632 nm and 474 nm, pass concurrently through a single slit whose width is 5.88 x10 -5 m and strike a screen 1.90 m from the slit.
In the action adventure film Indiana Jones and the Raiders of the Lost Ark. What is the equation for the rotational kinetic energy KR,1 of the spherical boulder?
A wheel of diameter 0.70 meter rolls on the floor without slipping. Find at what speed is the central axis of the wheel moving relative to the floor
questionassume that a climber having mass m and who are l tall rappels down a vertical cliff with her body rose at a 43
A 2.30-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 780 N/m. If the maximum compression of the spring is 5.80 cm , find the initial speed of the bullet.
Suppose you want to observe neutron diffraction in a crystal with 0.24nm spacing between lattice planes. Find the kinetic energy of neutrons having wavelength equal to this spacing
the average intensity of the sunlight in miami florida is 1040 wm2. what is the average value of the radiation
q1. a standardized biological microscope has an 8.0--focal-length objective. what focal-length eyepiece should be used
What must be the area of a suction cup that is completely evacuated and a ceiling if the cup is to support a child who weighs 30 kg
A 0.360 kg pendulum bob passes through the lowest part of its path at a speed of 2.86 m/s, When the pendulum reaches its highest point, what angle does the cable make with the vertical
1. A ship has a top speed of 3.0 m/s in calm water. The current of the ocean tends to push the boat at 2.0 m/s on a bearing of due South. What will be the net velocity of the ship if the captain points his ship on a bearing of 55° North of W..
The human lungs can function satisfactorily up to a limit where the pressure dissimilarity between the inside and outside of the lungs is1/19 of an atmosphere. If a diver uses a snorkel for breathing, how far below the water can she swim? Suppose the..
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