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A beam of neutrons with a de Broglie wavelength of 0.260nm diffracts from a crystal of table salt, which has an interionic spacing of 0.280nm
What is the speed of the neutrons?
___________________km/s
What is the angle of the second interference maximum?
How does the magnitude of electrical force between a pair of charged objects change while the objects are moved twice as far apart? Three times as far apart.
when the field is vertical to the plane of loop, when the field makes a 90.0 angle with the normal to plane.
Burning a pound of coal produces about 13,000 Btu of energy. How many megajoules of energy are produced by burning 4 pounds of coal?
Two 2.30 cm x 2.30 cm plates that form a parallel-plate capacitor are charged to +- 0.714nC. Part A What is the potential difference across the capacitor if the spacing between the plates is 1.00mm? Part B What is the potential difference across t..
A building has two open doors facing the bay. The walls of the building absorb sound well, so multiple reflections can be ignored. Two people are standing a distance L = 150 m from the wall with the open doors, as pictured.
A black hole attracts an object with mass m with a force of mc2RS/(2r2), where r is the distance between the object and the center of the black hole. What is the mass of this black hole
A superhero flies 147 m from the top of a tall building at the angle of 33 degrees below the horizontal. What is the vertical component of the superhero's displacement.
if the boy is traveling at 1m/s relative to the ground, explain how fast does the boy appear to be moving relative to the woman?
A series of equipotential lines are shown right. Points A- D are shown, An electron travels from A to B, and then to C, and then to D. What is the work done on the electron by the field, as measured in eV
A double-slit experiment is set up using red light (l = 714 nm). A first order bright fringe is seen at a given location on a screen. What wavelength of visible light (between 380 nm and 750 nm) would generate a dark fringe at the identical locati..
The spaceship Intergalactica lands on the surface of the uninhabited Pink Planet, find the acceleration due to gravity on the Pink Planet\'s surface by means of a simple pendulum of length 1.06 m
What is the least time necessary for crossing
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