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Light of wavelength 646nm from a distant source is incident on a slit .720mm wide, and the resulting diffraction pattern is obereved on a scree 3.60m away
Part A What is the distance between the two dark fringes on either side of the central bright fringe.
An object that hangs form the ceiling of a staionary elevator by an ideal spring scilliates with a period T. If the elevator accelerates upward 2g , what will the period of oscillation of the object ?
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.00 m. compute the magnitude of the initial acceleration of the third sphere
A screen is placed 1.0 meter away from the slits. Initially, you measure the interference pattern from the 2 slits on the screen. You then place the guanine film directly behind one of the slits, Determine the thickness of the guanine film
A steel wire of length 1.97 with circular cross section must stretch no more than 0.260 when a tensile (stretching) force of 400 is applied to each end of the wire. What is the minimum diameter necessary.
An electromagnetic wave has an electric field given by E? (y,t)=[ 3.60×105V/m cos(ky?(1.250×1013rad/s )t)]k^. In which direction is the wave traveling
Boat A negotiates a curve whose radius is 370 m. Boat B negotiates a curve whose radius is 120 m. Each boat experiences the similar centripetal acceleration. What is the ratio of speed of boat A to that of boat B.
After inverting the tube 100 times, the temperature of the lead shot is found to have increased by 30C. Calculate the work done on the lead shot
Two friends, Al and Jo, have a combined mass of 164kg. At the ice skating rink, they stand close together on skates, at rest and facing each other.
The froghopper, Philaenus spumarius, holds the world record for insect jumps. What horizontal distance did the froghopper cover for this world-record leap
A 250MW laser pulse is focused with a lens to a diameter of 2.5?m. What is the laser beam's electric field amplitude at the focal point
A rabbit runs in a straight line with a velocity of +1.40 m/s for a period of time, rests for 12 s, and then runs again along the same line at +0.63 m/s for an unknown amount of time.
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +10q. Sphere B carries a charge of -7q. Sphere C carries no net charge.
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