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A photon of energy E interacts with an electron at rest and undergoes pair production, producing a positive electron (positron) and an electron (in addition to the original electron): photon + e+e+ + e+ + e?. The two electrons and the positron move off with identical moment a in the direction of the initial photon. Discover the kinetic energy of the three final particles and discover the energy E of the photon. (Hint: Conserve momentum and total relativistic energy.)
Kinetic energy ___
Photon energy ____
A sound wave with an intensity level of 80.9 dB is incident on an eardrum of area 6.00 10-5 m2. How much energy is absorbed by the eardrum in 3.0 minutes
three point charges have equal magnitudes two being positive and one negative. these charges are fixed to the corners
A person can't see objects clearly that are closer than 80 cm. What is the refractive power of the contact lenses wouyld you prescribe
A carpenter is driving a nail into a board. The 1.25 kg hammer moves at 8.85 m/s when it strikes the nail. What is the change in length of the nail
An oscillating LC circuit consisting of a 3.0 nF capacitor anda 3.6 mH coil has a maximum voltage of 4.7 V. What is the maximum charge on the capacitor
The drawing shows four point charges. The value of q is3.1 μC, and the distance d is 0.89 m. Find the total potential at the location P. Assume that the potential of a point charge is zero at infinity.
Auto companies frequently test the safety of automobiles byputting them through crash tests to observe rge integrity of thepassenger compartment. with what average force is it brought to rest
Two converging lenses, each having a focal length equal to 10 cm, are 15 cm apart. Discover the final image location for an object 15 cm from one of the lenses and 30 cm from the other
A package in an airplane moving horizontally at 275 m/s is dropped while the altitude is 766 meters. How far forward from the spot over which it was dropped does the package land.
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. What is the direction of the electric field midway between the surfaces
A projectile is fired vertically from Earth's surface with an initial speed of 9.6 km/s. Neglecting air drag, how far above the surface of Earth will it go
The fastest measured pitched baseball left the pitcher's hand at a speed of 42.0m/s. what acceleration did he give the ball
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