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Two narrow parallel slits illuminated by yellow sodium light (λ= 589 nanometer) are found to produce fringes with a separation of 0.5 centimeter on a screen 2.25 meter away. Determine what is the distance between the slits?
A geologist finds that a Moon rock whose mass is 10.15 kg has an apparent mass of 5.68 kg when submerged in water. What is the density of the rock
The pilot of an airplane executes a loop-the-loop maneuver in a vertical circle. What is the pilot's apparent weight at the lowest point if his true weight is 160 lb
A soccer player kicks a rock horizontally off a 41.9 m high cliff into a pool of water. If the playerhears the sound of the splash 3.09 slater, what was the initial speed given to the rock? Assume the speed of sound in air to be 343 m/s.
a particle with charge 7.88 microc is placed at the fixed position x 3.00 m in an electric field of uniform strength
A 11.7 cm radius thin ring carries a uniformly distributed 15.4μc charge. A small 8.6g sphere with a charge of 1.5μc isplaced exactly at the center of the ring and given a very smallpush so it moves along the ring axis (+x axis)
A 75?kg jogger runs with a speed of 4.2m/s, What is the jogger's de Broglie wavelength
questionone end of a spring is attached to ceiling and it is hanging straight down with a relaxed length l0. it has a
a uniform rod of length l and mass m is suspended by two light strings each of length l. find the tension in the
a plane driving at an angle of phi with the vertical releases a projectile at an altitude of 730m. the projectile hits
A 73-kg boy is surfing and catches a wave which gives him an initial speed of 1.6 m/s. How much nonconservative work was done on the boy
A car travels along a U-shaped curve for a distance of 400 m in 30 s. What is the magnitude of the average velocity
A 1200 kg satellite completes one circular orbit of the earth every 90 minutes. Determine the radius of the satellite's orbit
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