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A ray of light is incident on the outer glass wall of an aquarium which have a refractive index of 1.51. If the reflected portion of the light is completely polarized at what angle to the normal does the ray enter the water?
A car (m1 = 900) moving south with a speed v1 = 25 collides with a truck (m2 = 1500) moving at an angle of 30 degrees south of west with a speed v2= 20. What is the magnitude and direction of their final velocity
Write a function named "enough" that takes one integer argument, call it "goal" and returns as its value the smallest positive integer n for which 1+2+3+. . . +n is at least equal to goal .
Monochromatic light is incident on a diffraction grating and the first maximum is observed at an angle 5.2 degrees. At what angle is the 4th maximum seen
Derive the quantity produced by each firm in the long-run equilibrium and what is the long-run equilibrium price
Two skaters each of mass 50 kg approach each other along prallel paths separated by 3 m. describe quantitativley the motion of the skaters after they have become connected by the pole
If E decreases (becomes more negative), the radius r of the orbit will decrease. If air drag is relatively small, the satellite can be considered to be in a circular orbit of continually decreasing radius.
For each part of the following, state any assumptions used and show mathmatical dereviation before using values. determine the rotential inertia of a yo-yo about it's center
The width of the ribbon normal to a radius vector originationg at the star's center is much greater than the thickness of the ribbon in the radial direction.
Write a function named "sort3" that takes three floating point arguments, call them "x" , "y" , and "z" , and modifies their values, if necessary, in such a way as to make true the following inequalities: x y z .
Calculate the drawdown at the well (use r which is the distance from the pumping well = 18 in) with total withdrawals from storage
A perfectly reflecting flat mirror is uniformly illuminated by light striking it perpendicularly. Calculate the intensity of the light
As a bat flies toward a wall at a speed of5.70m/s , What frequency does the bat hear in the reflected wave
Consider an object that is hot enough to glow violet blue (a peak frequency of 7.5 x 1014 Hz). What is the temperature of this object
In Larry Niven's science-fiction novel Ringworld, a rigid ring of material rotates about a star. What is the apparent weight of an inhabitant of Ringworld relative to his weight on Earth
The G string of a guitar which should be 397 Hz is playing flat at 380 Hz. What percentage change in the tension of the wire is necessary so as to tune the string to 392 Hz.
A charge of q = +7.50 µC is located in an electric field. The x and y components of the electric field are Ex = 4.80 103 N/C and Ey = 7.40 103 N/C, respectively. (a) What is the magnitude of the force on the charge? (b) Determine the angle that th..
An electron acquires 100fJ of kinetic energy when it is accelerated between two paralle lplates placed at a distance of 1mm
Suppose the pressure of the gas equals to p=aV^2, where a is constant. Find the heat transfer to the gas during this process if this is a reversible change.
You and a friend each drive 67 km. You travel at 88.1 km/h, your friend at 952.6 km/h. How long would your friend wait for you at the end of the trip.
During a cardiac cycle, the heart squeezes about 65g of blood on each contraction into the arterial circulation. what is the maximum force acting on the center of mass of the blood
The molar mass of oxygen gas is 32.0 x 10^-3 kg/mol. If the gas is at 16 degrees C, find the root-mean-square speed for an oxygen molecule
A speedboat moves on a lake with initial velocity vector V1x= 9.27m/s and V1y= -2.83m/s, What are the components of the speedboat's final velocity
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