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You use a sequence of ideal polarizing filters, each with its axis making the same angle with the axis of the previous filter, to rotate the plane of polarization of a polarized light beam by a total of 45.0°. You wish to have an intensity reduction no larger than 14.4%.
(a) How many polarizers do you need to achieve your goal? ........... (b) What is the angle between adjacent polarizers? .......... °
A 1.50m cylindrical rod of diameter 0.450m is connected to a power supply that maintains a constant potential difference of 13.0V across its ends, Find the temperature coefficient of resistivity at 20 degrees C for the material of the rod
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.90 cm apart. Determine the acceleration of the electron
A steel cable with a total length of 27.7 m and total mass of 91 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter 6.65 cm. The hose ends with a nozzle of diameter 2.50 cm. A rubber stopper is inserted into the nozzl..
Indicate the negative x direction by including a negative sign in the answer, but omit a sign for the positive x direction.
A researcher would like to perform an experiment in a zero magnetic field, which means that the field of the earth must be cancelled. What current is needed in the solenoid's wires
A student's car stalls right in front of a speed bump while she is on her way to physics class. what is the size of the force pulling the car in lbs
The speed of a transverse wave on a string is 440 m/s, and the wavelength is 0.13 m. The amplitude of the wave is 1.6 mm. How much time is required for a particle of the string to move through a total distance of 1.0 km?
find magnitudes of the tension forces in the first two ropes. what is the velocity of the cart when it reaches its greatest y coordinate.
A ship sets out to sail to a point 212 km due north. An unexpected storm blows the ship to a point 156km due east of its starting point. How far must it now sail to reach its original destination.
Find the electric field of a solid sphere of charge, with the nonuniform charge density ρ = Ar, with A an overall constant
Assume the helmholtz coil consists of two sets of coaxial wire loops with 15 turns of radius R=75.00 cm, that are separated by R, and each coil carries the current 0.123A flowing in the same direction. Compute the magnitude and direction of magnetic ..
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