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After completing the experiment with the single slit, you wish to determine the width of the slit. Recall that the wavelength of the laser light is 632.8 nm. If the distance from the central spot to the first minimum in intensity is 4.0 cm and the distance from the slit to the central spot on the wall is 2.75 m, what is the width of the slit (in millimeters)?
In order to check the width of the slit you measured above, you try to predict the location of the third diffraction minimum.What distance do you predict for the distance from the central spot to the third minimum in intensity (in cm).
a 255 g mass attached to a horizontal spring oscillates at a frequency of 2.50 hz . at t0 s the mass is at 4.40 cm
the energy of formation of a vacancy in copper is 1ev. what is approximate relative change in the density of copper due
A cannon fires a cannon ball at 769.26 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
A hot air balloon rises from the ground with a velocity of(2.2 m/s)yhat. A champagne bottle is opened to celebrate takeoff, expelling thecork horizontally with a velocity of (5.6 m/s)xhat relativeto the balloon. When opened, the bottleis 5.0 m abo..
An X-ray tube gives electrons, which start at rest, a constant acceleration over a distance of 23cm. If their final speed is 1.3 x 107 m/s, what are the time they spend accelerating
The earth orbits the sun once per year at the distance of 1.50 x 1011 m. How long (in earth days) does it take for Venus to make one orbit
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
A conducting sphere with charge -Q is surrounded by a concentric, conducting spherical shell. The shell has a net charge of +3Q. What is the total charge on the outer surface of the shell
The loaded car of a roller coaster has mass M = 320 kg. It goes over the highest hill with a speed v of 21.4 m/s. What is the force (N) that the track must exert on the car
A runner makes one lap around a track in 68.0s. The track is oval, has two straight 100m stretches with a semicircular bend (radius of 50m) at each end. What was the runner's total displacement for the lap
Two children with masses of 23 and 41 kg are sitting on a balanced seesaw. If the lighter child is sitting 3 m from the center, where is the heavier child sitting from the center
According to Equation 20.7, an ac voltage V is given as a function of time t by V = V0sin(2?f t), what is the smallest value of the time at which the voltage equals two-thirds of the peak value
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