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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?
What is the maximum distance the center of the coin can be placed from the axis if the turntable rotates at 47.9 rev/min
Certain criteria have been met which suggest that an intangible asset has been created. Illustrate w hat amount should be recognized as research and development expense in 2011 using U.S. GAAP?
Two capacitors C1 and C2 are connected in parallel to one another, Find the equivalent capacitance of the system if the C1, C2, C3 are respectively 4, 6, 3.6 uF respectively
A car rounds a 1.15 radius circular track at 82 Find the magnitude of the car's average acceleration after it has completed one-fourth of the circle.
A 2.20 sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as heart beats. The reflected sound is after that mixed with the transmitted so..
A 60 g bullet traveling at 230 m/s penetrates a block of ice at 0°C and comes to rest within the ice. suppose that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
What is the charge q. suppose the speed of sound in air to be 343 m/s.
On a certain planet, a 10 kg rock has a gravitational potential energy of 1,056 J when it is resting on a cliff 12 m above the surface
A single-turn circular loop of radius 8.00 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.7G directed at 70 below the horizontal north direction. Find out the current in the loop.
Once a traffic light turns green, a car speeds up from rest to 50 mi/h with constant acceleration 9 mi/h • s. In the adjoining bike lane, a cyclist speeds up from rest to 20mi/h with constant acceleration 13mi/h.
To a person swimming 0.790m beneath the surface of the water in a swimming pool, what is the actual height of the diving board above the surface of the water
The friction force in the sled is 1000N and the angle between the two ropes is 20 degrees. Explain how hard must each player pull to drag the coach at a steady 2.0 m/s?
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