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An cylindrical opaque drinking glass has a diameter 3.1 cm and height h, as shown in the figure. An observer's eye is placed as shown (the observer is just barely looking over the rim of the glass). When empty, the observer can just barely see the edge of the bottom of the glass. When filled (with a transparent liquid with an index of refraction of 1.18) to the brim, the observer can just barely see the center of the bottom of the glass.
Calculate the angle θr. Answer in units of degrees.
a generating station is producing 1.7 x 106 w of power that is to be sent to a small town located 4.2 km away. each of
Discover the electric field produced with an infinitely long cylindrical shell whose uniform surface density is? (I.e. this is charge per unit area) and radius is R both inside and outside the cylinder.
A step-up transformer has 22 turns on the primary coil and 770 turns on the secondary coil.What input current and voltage are needed
Two cannonballs, C and D, are fired from the ground with identical initial speeds, but (theta)a larger than (theta)b. Determine which cannonball reaches a higher elevation
A sphere of mass 1.0x10-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 12 with the vertical. Find (a) the magnitude of that push and (b )the tension in the cord.
At any given time, the magnitude of the magnetic field in a beam of sunlight is 1.7 x 10-6 T. What is the magnitude of the electric field at this time
During a Carnot cycle, in the first process, an ideal gas is expanded isothermally at 500 K. 1,000 J of heat enters the system, What is the magnitude of Q that leaves the system
An electron enters a region of space containing a uniform 0.0000201-T magnetic field. Find the radius of the electrons path, and the frequency of the motion
What is the speed of the large cart after the collision. A 345 g chunk of gold at 98.5 degrees Celsius is dropped into a 656 g of water at 22.5 degrees Celsius. What will final temperature of the gold be after the system reaches equilibrium.
A parallel plate capacitor is connected to a battery. The space between the plates is filled with air. Find the electric field inside the dielectric
A mechanic pushes a 3450 kilogram car from rest to a speed of v, doing 5743 Joule of work in the process. Determine the horizontal force exerted on the car
River Pascal with a volume flow rate of 6.1×105L/s joins with River Archimedes, which carries 1.15×106L/s , What is the speed of the water in the Bernoulli River
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