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Unpolarized light of intensity 0.75 mw/m2 is incident on the first of two polarizing lenses. The two lenses are oriented 37o apart.
1. Compute the intensity of the light between the two polarizing lenses.
2. Compute the intensity of the light after it has passed during both lenses.
A pile driver is a device used to drive stakes into the ground.While building a fence, How far is the stake driven to into the ground on the first stroke
A police officer is waiting near an intersection. He sees a truck running a red light. The truck is traveling with a constant speed of 18.0 m/s. The police officer immediately starts to chase the truck.
the objective lens of an astronomical telescope has a focal length of 60 cm and the eyepiece has a focal length of 2
A hot air balloon is rising straight up with a speed of 6.0 m/s. A ballast bag is released from rest relative to the balloon when it is 9.54 m above the ground. How much time elapses before the ballast bag hits ground.
It's nighttime, and you've dropped your goggles into a swimming pool that is 4.5m deep. How far are the goggles from the edge of the pool
Assume that, as lying on a beach near the equator watching the Sun set over a calm ocean, you start a stopwatch just as the top of the Sun disappears. You after that stand, elevating your eyes by a height H = 1.90 m.
a 1.0-cm-diameter pipe widens to 2.0cm then narrows to 0.5cm. liquid flows through the first segment at a speed of
A steel ball of mass .5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s. find the average resistance force that sand exerts on the ball
you are on a treasure hunt and your map says walk due west for 52 paces then walk 34.8deg north of west for 41 paces
For the helium-neon laser, estimate the Doppler broadening of the output wavelength 632.8 nm at T = 243 K
You decide to determine the depth of a tank of water using the sun's light. With the sun overhead, the tank's bottom is lit, Approximately how deep is the tanks
you need to prepare a 0.151-mm-diameter tungsten wire with a resistance of 2.83 k? how long must the wire be? the
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