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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).
4 moles of a monatomic ideal gas occupy a volume of 23 cm3 at a pressure of 5 atm. the volume is changed to 89 cm3.a if
A parallel-plate capacitor with circular plates of radius R is being charged. What is the radius R for the circular plate
Light of 600nm passes thrugh a circularaperture and is focused by a lens with a numerical apertureNA=0.1. what is the diameter of the spot at the focal point
The drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below atan angle θ = 38o by a brace that isattached to a pin.
A 17 kg girl slides down a playground slide that is 3.1 m high. When she reaches the bottom of the slide, her speed is 1.3 m/s. what is the coefficient of friction between the girl and the slide
a steel wire has a diameter of 0.57mm and is 1.5m long. what tension is required to produce an extension of 1.5mm in
Three 1.0-C charges are equally spaced on a straight line. The separation of each charge from its neighbor is 100m. Find the force on the center charge if (a) all charges are positive, (b) all charges are negative, and (c) the rightmost charge is neg..
The rubidium isotope 87 Rb is a ? emitter with a half life of 4.9 × 10^10 y that decays into 87 Sr. It is used to determine the age of rocks and fossils. calculate the age of these fossils
A rocket which has an exhaust speed of 8 km/s is to have a lift off vertical acceleration of 8 m/s^2 from the NASA launch pad. at what minimum rate must the rocket consume fuel
Two bowling balls, each of mass 5kg, are located so that their centers of mass are 0.5m apart. What is the size of the force of universal gravitation
A 24.0 kg child plays on a swing having support ropes that are 2.20 m long. How fast will she be moving at the bottom of the swing
A racquetball strikes a wall with a speed of 30 \rm m/s and rebounds with a speed of 26 \rm m/s. What is the average acceleration of the ball
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