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Problem: Unpolarized light passes through two ideal Polaroid sheets. The axis of the first is vertical and the axis of the second is at 31.0° to the vertical.
Question- What fraction of the incident light is transmitted?
I need help- for the above question.
For the shear building shown, determine the natural frequencies (RAD/SEC) and the modal matrix. Also, sketch the deflected buildings in their normal modes using the top floor as the reference floor (set its displacement = unity). Finally, demonstr..
a car traveling due east at 20 m/s reverses its direction over a period of 10 seconds so that it is traveling due west at 20 m/s. find the direction of the car's average acceleration
A 3.00 kg block starts from rest at the top of a 29.5° incline and slides 2.00 m down the incline in 1.25 s. Find the frictional force acting on the block
He has a mass of 74.0 kg and his center of gravity is located at a horizontal distance of d1 = 0.730 m from his palms and d2 = 1.10 m from his feet. calculate the forces exerted by the floor on his feet
Steam with a mass flow rate of 25 kg/s enters a turbine at 4 MPa and 700oC. determine how much work is produced by the turbine
A few extraterrestrials arrived. They had two hands, however claimed that 5+4=11 . How many fingers did they have on their two hands? Note that our decimal system (and ten characters: 0, 1, 2, 9) certainly has its origin because we have ten fingers.
If you attach an object to the tripod, such as a camera with along lens, determine the maximum possible horizontal distance between the center of gravity of the object and the center of the tripod, if the tripod is to remain stable
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.27 kg, and the wedge has a mass of 5.31 kg. what is the velocity of the ball after the collision
a 41-kg girl is bouncing on a trampoline. during a certain interval after leaving the surface of the trampoline her
A large fraction of the ultraviolet (UV) radiation coming from the sun is absorbed by the atmosphere. The main UV absorber in our atmosphere is ozone, O 3 rm O_3. In particular, ozone absorbs radiation with frequencies around 9.38×1014Hz rm Hz..
A child launches an air powered toy rocket up into the air giving it an initial velocity of 6m/s at an angle of 80degree above the horizontal. How long after the rocket is launched does it take for the rocket to hit the ground
Nate the Skate was an avid physics student whose main non-physics interest in life was high-speed skateboarding. What were Nate\'s speeds immediately before and after the collision
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