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The neutrons in a parallel beam, each having kinetic energy 0.022 eV, are directed through two slits 0.40 millimeter apart.
Determine how far apart will the interference peaks be on a screen 1.4 meter away?
A heavy copper bus bar is 20.00 cm long and of rectangularcross-section, 1.000 cm x 2.000cm. what is the voltage dropalong its length when it carries 4.000 x 10^3 A
Nuclear transmutation (causing atoms of one element to become a different element) is possible using currently-available technology. Suppose you check metals prices and decide to try converting osmium into iridium, and that each atom transmuted re..
An oscillator consists of a block attached to a spring (k = 475 N/m). At some time t, the position (measured from the system's equilibrium location), velocity, and acceleration of the block are x = 0.420 m, v = -11.9 m/s, and a = -139 m/s2. a)Calcula..
A 1900kg car experiences a combined force of air resistance andfriction that has the same magnitude whether the car goes up ordown a hill at 27m/s. Going up a hill, the car's engine needs toproduce 47hp more power to sustain the constant velocity ..
A rotating water pump works by taking water in at one side of the rotating wheel, and expelling it from the other side. If a pump with a radius of 0.120m starts from rest and accelerates at 30.50 rad/s2.
an automotive battery has an emf of 13.4 v. when supplying power to the starter motor the current in the battery is
You stand on a frictional platform that is rotating at 1.3 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. What is the resulting angular speed of the platform
A moving particle encounters an external electric field that decreases its kinetic energy from 8650 eV to 7540 eV as the particle, Determine the charge of the particle. Include the algebraic sign (+ or ?)
A surveyor is using a magnetic compass 9.0 m below a power line in which there is a stable current of 130 A. What is the magnetic field in microteslas at the site of the compass due to the power line?
A subway train has a sound intensity level of 90 dB, and a rock band has a sound intensity level of 110 dB. How many times greater is the sound intensity of the band than that of the train
A skier is gliding along at 2.8m/s on horizontal, frictionless snow. He suddenly starts down a 10?incline. what is the distance of the incline
Monochromatic light of wavelength 543nm falls on a slit. If the angle between the first two bright fringes on either side of the central maximum is 31?
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