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A polarized light beam, with an 8.97 millimeter diameter circular cross section, is perpendicularly incident on an ideal polarizer, serving here as an analyzer. The intensity of the light is 3.29 kW/m2 and the angle between the beams polarization direction and the polarization axis of the polarizer is 11.5 degree. Find what force in does the light exerts on the polarizer?
A parallel-plate capacitor with plates of area 2.15 x 10-4m2 is being designed to have a capacitance of 1330 pF. What plate separation is required if the spacebetween the plates is filled with air
A 3280 kg demolition ball swings at the end of a 17.1 m cable onthe arc of a vertical circle. At the lowest point of the swing, the ball is moving at a speed of 2.72 m/s. Determine the tension in the cable.
A point charge q = ?2.3 nC is initially at rest adjacent to the negative plate of a capacitor, What is the potential difference between the plates
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.4 when the flywheel is rotating at 1.4×104 revolutions per minute. What is the moment of inertia of the flywheel
A 70 kg mountain climber dangling in a crevasse stretches a 50-m-long, 1.0-cm-diameter rope by 8.0 cm. What is Young's modulus for the rope
Atmospheric pressure is about 1.0 105 Pa on average. What is the downward force of the air on a desktop with surface area 0.1 m2
Two people hear a tornado siren, What is the intensity level (in dB) at the farther listener relative to the other listener
While the repair shop works on your voltmeter, they loan you anunusual replacement: Rather than measuring the potential differenceacross a resistor, it measures the amount of charge that flowed,and the change in electric potential energy of that c..
A slide projector has a converging lens whose focal length is103.00 mm. How far from the lens should the screen be located if a slide is placed 105 mm from the lens? If the slide measures 21.0 mm× 37.0 mm, what are the dimensions (in mm) of its image..
124/55 Cs has a half-life of 30.8s. If we have 5.3µg initially, how many Cs nuclei are present and What is the activity at this time
A bullet of mass 6.3 g is fired horizontally into a 1.2 kg woodenblock at rest on a horizontal surface. The coefficient of kineticfriction between block and surface is 0.25.
In a region where there is an electric field, the electric forces do +8.00x 10^-19 J of work on an electron as it moves from point X to point Y.What is the potential difference, VY - VX, between point Y and point X?
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