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Incoming UNPOLARIZED light of intensity 17 LUX passes through a linear polarizer, with its transmission axis oriented vertically. It then passes through a second linear polarizer, whose transmission is oriented at a 25 degrees off the orizodntal.
Calculate the final intensity of the light after it has passed through both polarizers.
A pulley system is used to lift a piano 3.4 m. The acceleration of gravity is 9.81 m/s2 . If a force of 2315 N is applied to the rope as the rope is pulled in 17 m, what is the efficiency of the machine
A standardized biological microscope has an 8.0--focal-length objective. What focal-length eyepiece should be used to achieve a total magnification of.
A solenoid 110 cm long and 2.40 cm in diameter carries a current of 16 A. Find the length of wire forming the solenoid
While exercising, the following physiological changes occur for a certain person. His systolic pressure increases by 46 %. Which change has the strongest effect on blood flow
A projectile is fired horizontally from a gun that is 47.0 m above flat ground; emerging from the gun with a speed of 250 m/s.
You are climbing up stairs, gaining 10 meters of height per minute. In order to do that, your body has to do some work, using energy, at a given rate. What is the power produced by your body
q1. a chair of weight 125 n lies atop a horizontal floor the floor is not frictionless. you push on the chair with a
A block of mass 2.50 kg is pushed 2.00 m along a frictionless horizontal table by a constant 16.0 N force directed 25.0° below the horizontal, Determine the work done by the force of gravity
An L-R-C circuit, operating at 60 Hz , has an inductor with an inductance of 1.53x10^-3 H, a capacitance of 1.67x10^-2 F, and a resistance of 0.329 ohms. What is the capacitive reactance of the circuit
A 662 KeV photon from 137Cs is compton scattered at an angle 60, calculate the energy of the scattered photon
The water level in a vertical glass tube 1.300 m long can be adjusted to any position in the tube. What is the greatest depth of water for which there will be resonance in the air in the tube
A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. Find the smallest value for the angle , such that the lower end of the board does not slide along the ground
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