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I need proficient help in the following problem:
Problem: You are working with an electrical engineer who wants to send you messages with his microwave antenna. The engineer points his antenna at a narrow window (width 36.0 cm) of your building and starts sending microwaves (wavelength 5.40 cm) your way.
A - What is the location of the first "dark" fringe on the wall 6.65 m from the window?
=_____ cm
If possible just a brief explanation how you got the answer?
If 61.4 cm of copper wire (resistivity = 1.69x 10-8Ω•m, diameter = 0.943 mm) is formed into a circular loop, find at what rate is thermal energy generated in the loop
76.1 kg skier starts from rest and slides down a 32 m frictionless slope that is inclined at an angle of 18 degree to
Two converging lenses, A by a focal length of +2.0 cm and B with a focal length of +5.0 cm, are placed 14cm apart. An object is placed 3.0 cm to the left of lens A. Utilize graphical methods to scale and construct the ray diagram with a measurement o..
An old mining tunnel disappears into a hillside. You would like to know how long the tunnel is, but it's too dangerous to go inside. how far is it to the end of the tunnel
an athlete in a competition needs to get from point a to another point b directly across from a river. he can swim in
A 16.8-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 73.0 N and is directed at an angle of 22 ° above the horizontal. Determine the coefficient of kinetic friction.
A scientist is determining the age of a rock by comparing their position to other rock layers. By doing this, the scientist is determining ____________.
A group of hikers hears an echo 2.80 s after shouting. How far away is the mountain that reflected the sound wave? (Assume the speed of sound is 346.4 m/s.)
A pencil, 15.7 cm long, is released from a vertical position with the eraser end resting on a table. What is the angular speed of the pencil
Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. What is her height above the river at her lowest point
find the center of mass of a uniform density cone. give your answer as a distance from the cone point, and as a fraction of the total cone height
Find the rms speed and the average kinetic energy of a hydrogen atom at a temperature of 3.4x107 K. (At this temperature (3.4 x10^7)
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