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Two polarizers are oriented at 30o to each other and apolarized light is incident on them. If only 14 percent of thelight gets through both of them, what is the angle between the initial polarization direction of the incident light and the firstpolarizer?
An isolated conductor of arbitrary shape has a net charge of +1.2 10-5 C. What is the charge on the cavity wall
an optical pin is placed midway between two parallel plane mirrors m1 and m2 which are 10cm apart. how far from the
a battleship simultaneously fires two shells toward two identical enemy ships. one shell hits ship a which is close by
A 3.00-gbullet is fired into a 14.0-kg block suspending from a support rodby a thin wire. After the bullet becomes embedded in the block, the block swings up to a height of 3.00 mm. How fast was the bullet traveling before it hit the block?
An ideal gas expands isothermally, performing 4.30×103J of work in the process. Calculate the heat absorbed during this expansion
Two cars have collided at right angles at an intersection: Car A was eastbound; car B was northbound. The marks on the pavement show that the vehicles both moved together in the same direction immediately after the collision. That direction was at..
A space station in the forf of a large wheel, 129m in diameter, rotates to provide an "artificial gravity" of 6.10 m/s^2 for people located at the outer rim.
a skier is gliding along at 2.0 ms on horizontal frictionless snow. he suddenly starts down a 12deg incline. his speed
A thin 1.7-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. What is the frequency of the rod's vibration
Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. Determine the angle (in degrees) between the vectors OA and OC
A car traveling 56 km/h is 23.0 m from a barrier when the driver slams on the brakes. What was the car's constant deceleration before impact
An observer detects two explosions, one that occurs near her at a certain time and another that occurs 2.00 ms later 100 km away. Another observer finds that the two explosions occur at the, same place. What time interval separates the explosions to ..
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