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Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, that of the second is 58° from vertical, and that of the third is horizontal. What light intensity emerges from the third filter?
_________? I0
Two charged particles, q1 = ?2.50×10?3 C and q2 = +3.550e-3 C, are separated by a distance of 5.00 cm. find the electric potential energy of this configuration
One particle has a mass of 4.41 x 10-3 kg and a charge of +6.92 ?C. A second particle has a mass of 6.52 x 10-3 kg and the same charge. The two particles are initially held in place and then released.
The diameter of a blood vessel narrows by 70% due to the presence of a plaque on the blood vessel walls. what is the systolic blood pressure in the narrowed vein (in mmHg)
A parallel-plate capacitor has circular plates of 10.4 cm radius and 1.67 mm separation. Calculate the capacitance in picofarads
A 3.0 m long rigid beam with a mass of 120 kg is supported at each end. An 85 kg student stands 2.0 m from support 1. Explain by how much upward force does each support exert on the beam?
A 66kg skier starts from rest at the top of a 1200 m long trail which drops a total of 230m from top to bottom. how much energy was dissipated by friction
A cart of mass 6.8 kg is moving with a velocity of 15.2 m/s. It makes a head-on perfectly inelastic collision with a stationary cart B with mass 6.4 kg causing them to travel with the velocity 7.63 m/s. What is the velocity of cart B.
What is the total displacement and the angle of displacement
A quarter circle of electric charge with a radius of 2.5 m has a uniform charge density of +0.7x10^-6 C/m. At the center of the circle
A Carnot heat engine takes 2000J of heat from the high temperature reservoir at 227 degrees Celsius, What is the Carnot efficiency
A 0.200H inductor is connected in series with a 85.0? resistor and an ac source. Derive an expression for the voltage vR across the resistor
An unknown material has a normal melting/freezing point of -26.3 ° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C °). What is the latent heat of fusion of the unknown material
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