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Two polarizers are out of alignment by 22.1°. If light of intensity 1.00 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters, what is the intensity of the transmitted light?
A tin can is filled with water to a depth of 38cm . A hole 20cm above the bottom of the can produces a stream of water that is directed at an angle of 30? above the horizontal
Carry out the following arithmetic operations: (a) sum of the measured values 756, 37.2, 0.83 and 2.5. The answer must be in significant digits. Since 2.5 and 0.83 have two significant digits, shouldn't the answer be 800 instead of 797.
During Charlie's golf drive, the angular velocity of his club is zero at the top of the backswing and 20 rad/s, What is the linear velocity of the club head just before impact with the ball
A 58-kg skater sliding due northeast at an initial speed of 1.5 m/s runs into a snow bank and comes to rest in a time interval of 0.38 s, What is change in the kinetic energy of the skater
Laser light at 635 falls on a double-slit apparatus with slit separation 6.9 .Find out the separation between the third and fourth bright fringes, as seen on a screen 1.4 from the slits.
A 400 N stun pilot who has been driving his fighter plane vertically pulls out of the dive by changing her course to a circle in a vertical plane. what is the apparent weight of the pilot at the lowest point
q1. after being accelerated to a speed of 1.84times105 the particle enters a uniform magnetic field of strength 1.00
A proton and electron are far away from each other, how quick would the electron be going in the orbit if we assume centripetal motion?Therefore, what is the electrnss kinetic energy
A column of soldiers, marching at 134 paces per minute, keep in step with the music of a band at the head of the column. what is the approximate length of the column
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.10 x 105 m/s. What is the distance of closest approach?
A 55.5-kg ice skater is moving at 4.08 m/s when she grabs the loose end of a rope, Determine the force exerted by the horizontal rope on her arms
A string with a length of 2 m resonates in three loops as shown above. The string linear density is 0.05 kg/m and the suspended mass is 1.5 kg. What is the frequency of oscillations
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