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Light waves with two different wavelengths, 632 nanometers and 474 nanometers, pass simultaneously through a single slit whose width is 9.07 x 10-5 meter and strike a screen 1.70 meter from the slit. Two diffraction patterns are formed on the screen. Find what is the distance between the common center of the diffraction patterns and the first occurrence of the spot where a dark fringe from one pattern falls on top of a dark fringe from the other pattern?
Two small plastic spheres, one charged to 18nC and the other to ? 18nC , are connected by a 30-mm-long insulating rod. What is the maximum possible torque on the dipole
A Carnot heat engine has a thermal efficiency of 0.615, and the temperature of its hot reservoir is 775 K. If 2375 J of heat is rejected to the cold reservoir in one cycle, what is the work output of the engine during one cycle?
A spacecraft approaching the earth launches an exploration vehicle. What is the speed of the exploration vehicle relative to the spaceship
An electron and a proton have charges of an equal magnitude but opposite sign of 1.6 10-19 C. what are the magnitude and direction of the electrostatic force exerted on the electron by the proton
what is the cost of the electric energy equivalent to the energy in a Big Mac? (the cost of a Big Mac is $3.57)
A magnetic field has a magnitude of 0.0686 T and is uniformover a circular surface whose radius is 0.166 m. The field isoriented at an angle of φ = 20.1o with respect to the normal to the surface. What is the magnetic flux through the surface?
Sirius has a luminosity of 8.4 * 10^27 Watts and a mass of 2.1 times the mass of the Sun, How much hydrogen does Sirius convert into helium each second
A magnetic field of strength 0.27 T is directed perpendicular to a plane circular loop of wire of radius25 cm. Find the magnetic flux through the area enclosed by this loop.
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.6020 N when separated by 50 cm, center-to-center.
In an action movie, the heroine is supposed to jump with a motorcycle from the roof of one skyscraper to another one. what minimum initial speed would she need to make the jump
a tube is open at only at one end. a certain harmonic produced by the tube has a frequency of 465 hz. the next higher
A uniform rod of mass M and length L is sitting vertically with one end resting on a frictionless surface, perfectly balanced. Find the angular velocity of rod just as it hits the ground
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