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A beam of red light (λ=700nm) is incident at 60 degrees onto a layer of material with index of refraction n=2.3. The beam continues and strikes another material (n=1.5) as shown. Find the angles θ1, θ2, and θ3. Also, find the wavelength of the light in each media.
What is the distance of the man from the pier after he walks to the front of the boat at a velocity of 3mph? Assume no friction between the boat and the water.
a container of ideal gas for which the thermal energy is given by eth 2.6 n r t is initially at pressure pi 1.1 x
A 2.0-cm-diameter spider is 1.50m from a wall. Determine the focal length of a lens that will make a half-size image of the spider on the wall
A sled is dragged along a horizontal path at a constant speed of 1.5 m/s by a rope that is inclined at an angle of 30.0° with respect to the horizontal, How much work is done by the rope on the sled
A factory worker pushes a 30.6kg crate a distance of 4.8m along a level floor at constant velocity by pushing downward at an angle of 31 degrees below the horizontal. What is the total work done on the crate
A betatron is a charged particle accelerator that works by generating an induced electric field to accelerate the charged particles. What is the amplitude of the oscillating electric field at a distance 0.62 m from the axis of the betatron
An object is placed 3.4 cm to the left of a converging lens of focal length 2.8 cm. A convex mirror of focal length -3.9 cm is placed 5.4 cm to the right of lens. A) What is the image distance for the image produced by the lens?
A parallel-plate capacitor with only air between the plates is charged by connecting it to a battery. What is the dielectric constant of this material
A cannon on level ground is aimed at 60 degrees above the horizon and fires a shell with a velocity of 300 m/s. How far downrange does the shell hit
A sound wave travels in air with frequency 1372 Hz. (Assume the temperature of the air is 20 degrees C). If we can hear the sound at a level of 25 dB, what is its intensity? (The minimum intensity audible to humar ear is I= 1.0 x 10^-12 W/m^2). What ..
a 1.80cm x1.80cm parallel-plate capacitor has a 2.10mm spacing. the electric field strength inside the capacitor is
A collimated beam of microwaves impinges on a metal screen that contains a long horizontal slit that is 20cm wide. A detector moving parallel to the screen in the far-field region locates first minimum of irradiance at an angle of 36.8° above the ..
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