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Unpolarized light is incident on four polarizing sheets with their transmission axes oriented as shown in the figure, in which θ1 = 35.0o and θ2 = 69.0o. What percentage of the initial light intensity is transmitted through this set of polarizers?
A small solid sphere, with radius 0.25 cm and mass 0.41 g rolls without slipping on the inside of a large fixed hemisphere with radius 16 cm and a vertical axis of symmetry. The sphere starts at the top from rest. What is its kinetic energy at the bo..
A 40 percent efficient electric power plant produces 900MW of electric power and discharges waste heat into 30 C ocean water. Suppose the waste heat could be used to heat homes during the winter instead of being discharged into the ocean. A typical A..
A massless, rigid board is placed across two bathroom scalesthat are separated by a distance of 2.00 m. Find the weight of the person
a 4 microf capacitor is charged by a 200 v supply. it is then disconnected from the supply and is connected to another
A rolling pin rolls down a 2m incline that forms a 60 degree angle with the ground. What is the final velocity of the rolling pin if there is no friction
A 4 µF capacitor is charged to a potential di?erence of 14 V. What is the capacitance of the second capacitor
If some water splashed out of the calorimeter cup when adding the hot metal, would this decrease/ increase /not affect the value of the metals specific heat capacity? Please explain why
A rectangular boat is overloaded so that the water level (in fresh water) is just one centimeter (1.0 cm) below the top of the boat. what is the combined mass of all the people and the boat combined
A heat engine using 1 mole of an ideal gas follows the Carnot Cycle ABCD, where the transitions are: How much heat in kJ is absorbed during the transition AàB? How much heat in kJ is released during the transition CàD? What is the thermal efficiency ..
calculate the energy content of 1 kg of natural uranium assuming complete fission. estimate an average energy per
a small glass plate of 250cm squared is sliding on a horizontal flat surface covered by water layer of 3mm thick. find the force required to move the plate at a constant velocity of 0.1m/s. the viscosity of the water is 10 to the minus 3 Pas.
A physics student is standing on an initially motionless,frictionless turntable with rotational inertia 0.31kg·m2. He's holding a wheel of rotational inertia0.22 kg·m2 spining at 135 rpm about a vertical axis,
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