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Q1. A beam of light strikes a sheet of glass at an angle of 57.0^circ with the normal in air. You observe that red light makes an angle of 38.1^circ with the normal in the glass, at the same time as violet light makes a 36.7^circ angle. What are the indexes of refraction of this glass for these colours of light?
Q2. A pair of power transmission lines each have a 0.840Ohm resistance and carry 636A over 8.92km. If the rms input voltage is 44.9kV, what will be voltage at the other end?
A marble rolls down an incline of 30 degrees. If the marble is initally at rest at the top ofthe incline of length 2.0 meters what will the speed of the marble be at the bottom of the incline
What is the horizontal distance x to the base of the wall supporting the mirror of the near point on the floor that can be seen reflected in the mirror . What is the speed of the third fragment? Overlook effects due to gravity.
A generating station is producing 2.00 106 W of power that is to be sent to a small town located 8.0 km away. Find the power used to heat the wires if the power is transmitted at 1300 V
Two satelities S1 and S2 revolve round a planet in coplanar circular orbits in the same sense. Their periods of revoluions are 1h and 8h respectively. The radius of the orbit of S1 is 10^4km.
Suppose we are given a square coil that is 5.5 cm on a side containing 100 loops of very fine wire. The total resistance of this coil is 2.0 ? 10?3 ?. Find the magnitude of the peak value of the induced current flowing in this coil under these cond..
In the x-y plane, a point of +2.6 uC is on the x-axis at (-3 cm, 0), and a second point charge of -3.4 uC is also located on the x-axis at the point (5cm, 0 cm), Determine the Electric Potential...Va and Vb at the points Pa (0,0) and Pb (0, 6cm)
Over the course of a multi-stage 4080-km bicycle race, the front wheel of an athlete's bicycle makes 2.00 106 revolutions. How many revolutions would the wheel have made during the race
The angular momentum of a flywheel having a rotational inertia of 0.250 kg·m2 about its central axis decreases from 2.80 to 1.800 kg·m2/s in 1.00 s. What is the average power of the flywheel
The rms current in a solenoid is 0.036 A when the solenoid is connected to a 18 kHz generator. What is the peak voltage of the generator
A singly charged ion of 7Li (an isotope of lithium) has a mass of 1.16×10?26kg, What is the radius of the ion's path in the magnetic field
If we imagine an electron as orbiting the proton, with the orbit of radius 5 x 10 ^-11 m, what is the total energy of the atom
A speeding motorist traveling with velocity Vm is spotted by a police car.find The velocity of the police car when it catches up to the motorist
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