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1. An underwater diver observes that the angle of the Sun, relative to the perpendicular, appears to be θ relative to the vertical. θ (30°)
a) Sketch and label a ray diagram illustrating the scenario.
b) If water has an index of refraction of 1.3 and air has an index of refraction of 1.0, what is the true angle of the Sun relative to the vertical?
c) An underwater driver observes a light ray that travels from the Sun. When the incident ray hits the air-water barrier, some of the light reflects off the surface of the water. What is the angle of reflection?
What is the distance between town and johns present location
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Two students, Nora and Allison, are both the same age when Allison hops aboard a flying saucer and blasts off to achieve a cruising speed of 0.830c for 25.5 years round trip
Using Ampere's Law, find the magnetic fieldfrom a household circuit carrying 10A when you are 2m fromit. What about being 20m away from a high powerline carrying 200A at voltages up to 500,000V. What is the field strength and is this dangerous?
According to Gauss law "The total of the electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity." Starting from Gauss' Law, Derive the Coulomb law in detail.
The power needed to accelerate a projectile from rest to its launch speed v in a time t is 60.0 W. How much power is needed to accelerate the same projectile from rest to a launch speed of 2v in a time of 1/2 t
1a wire 11.80 m long carries a current of 1.30 a and makes an angle of 35.0 degrees with a uniform magnetic field of
A 0.430 kg block is attached to a horizontal spring that is at its equilibrium lenght, and whose force constant is 20.0 N/m. The block rest on a frictionless surface. A 0.0500 kg wad of putty is thrown horizontally at the block, hitting it with a ..
A parallel plate capacitor has plates with an area of 2.6 m2 with a distance between the plates of 11.6 cm. It also has a dielectric with dielectric constant of 4.3 between its plates. It is then connected to a battery and when connected to the ba..
An electron initially at rest is accelerated between two parallel plates 2.000 cm apart. find the electric force on the electron between the plates
An engine compresses air down 1/16 its initial volume. The initial pressure is 7.7 X10^6 pa. Find the temperature after compression
The bremsstrahlung x-ray spectrum of both Moand W cut off (have zero intensity) at about 0.035 nm. X rays with this wavelength are produced by the target element when bombarding electrons are promptly stopped in a single collision and give up all ..
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