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A laser light has a wavelength of 670 nanometers and the separation between the two first order diffraction minima is 11 cm. The 8th order double slit interference maxima occurs at the same position as the 1st order diffraction minimum. The distance between the slits and the screen is two meters. Calculate the slit width and slit separation.
a long solenoid that has 910 turns uniformly distributed over a length of 0.390 m produces a magnetic field of
A 5.40 kg mass attached to a spring oscillates with a period of 0.445 s and an amplitude of 17.0 cm. Find the total mechanical energy of the system
The voltage in typical household wiring is 120 V. How much current does a 100 W lightbulb draw? What's the bulb's resistance under these conditions? The filament in the lightbulb has a diameter of 0.050 mm. What is the current density in the filam..
Discuss what it was about about blackbody radiation that classical physics was unable to explain. How did Planck's theory succeed?
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. Find the acceleration of the box
question a car is moving straight at a speed of 60 miles per hour. it then turns at a bend of radius of curvature 50
An artillery shell is fired with an initialvelocity of 300 m/s at 52.0° above the horizontal. To clear an avalanche, itexplodes on a mountainside 44.0 s afterfiring. What are the x and y components of theshell where it explodes, relative to its firin..
An empty freight car of mass 8000 kg rolls at 5 m/sec along a level track and collides with a loaded car of mass 16,000 kg, standing at rest with its brakes released. If the cars couple together, find their speed after the collision. Also, find the d..
Suppose a duck lives in a universe in which h = 2? J · s. The duck has a mass of 2.55 kg and is initially known to be within a pond 1.65 m wide. determine the uncertainty in the duck's position after this time interval
A 720g , 42-cm-long metal rod is free to rotate about a frictionless axle at one end. What is the rod's angular velocity immediately after the blow
A fox is chasing a bunny. The bunny is initially hopping east at 5 m/s when it first sees the fox. What was the bunny's average acceleration during this half-second interval
Cylindrical surfaces rho=1,2,3 cm have uniform surface charge densities of 20, -8, and 5 nC/m^2 respectively. The material between the first two surfaces is mica (dielectric constant = 5.4). The material between the remaining surfaces is free space. ..
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