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A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is 1.75 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.30 cm, and the fourth bright spot is missing on both sides. What is the size of the individual slits?
What is the separation between them?
Gold has one conduction electron per atom. Its density is 19.3gr/cm3,molar mass is 197 gr/mole, determine The drift speed vd of the electrons in the wire
A football punter accelerates a football from rest to a speed of 9 m/s during the time in which his toe is in contact with the ball, what average force does the punter exert on the ball
A hypodermic needle is attached to a syringe with a plunger of diameter 1.6 cm. What is the minimum force must be applied to the plunger
A 3.00-g bullet, traveling horizontally with a velocity of magnitude 370 m/s, is fired into a wooden block with mass 0.800 kg, What is the decrease in kinetic energy of the bullet
The eyepiece of a refracting telescope (see Fig.34.53 in the textbook) has a focal length of 9.00 cm. What is the angular magnification of the telescope
Every year, there is a foot race to the top of the Empire State Building. what was his average power output during the race
Another approach to the Lorentz Transformations. Relativists often use a quantity calledrapidity to describe the frame transformations. determine the function f(R)
Charges of 3.0 nC, -2.0 nC, -7.0 nC, and 1.0 nC are contained inside a rectangular box with length 1.0 m, width 2.0 m, find the electric flux through the surface of the box
An AC generator has a sinusoidal EMF with a maximum value of 25.0 V and a frequency of 60.0 Hz; what is the power output of the generator
A penny of mass 3.10 g rests on a small 20.0-g block supported by a spinning disk
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 26.0m. what is the magnitude of the force that the shopper exerts
A ball on the end of a string is whirled around in a horizontal circle of radius 0.300 m. The plane of the circle is 1.40 m above the ground. Find the radial acceleration of the ball during its circular motion
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