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A nucleus of helium with mass 5 amu breaks up from rest into a nucleus of ordinary helium (mass = 4 amu) plus a neutron (mass = 1 amu). The energy liberated in the break-up is 0.89 MeV, which is shared (not equally) by the products in the form of kinetic energy.
a) Using the conservation of momentum find the kinetic energy of the neutron.
b) The lifetime of the original nucleus is 1.0E-21 s. Because we are not sure when during this lifetime this reaction will occur (i.e., decay), the uncertainty of the time is equal to the lifetime. What range of values of the neutron kinetic energy might we measure in the laboratory as a result of the uncertainty relationship?
As you stand by a railroad track a train passes with its whistle blowing. As it passes, you hear a frequency shift equal to 24% of the frequency of the whistle. How fast is the train moving. Express your answer in km/hr. (Speed of sound is 331..
A laboratory electromagnet produces a magnetic field of magnitude 1.38 T. A proton moves through this field with a speed of 6.06 multiply.gif 106 m/s. find the magnitude of the maximum acceleration of the proton
Regarding the Earth and a cloud layer 800m above the Earth as the“plates” of a capacitor, calculate the capacitance ifthe cloud layer has an area of 1.0 km2. If an electricfield of 2.0 x 106 N/C makes the air break down andconduct electricity (ligh..
given that the latent heat of watersteam is approximately 41000 jmol at what pressure will water boil at 50 degress
Amtrack's high speed train, the acela, utilizes tilt of thecars to negotiate curves. calculate the friction force needed on a train passenger ofmass 75kg if the track is not banked and the train does not tilt
662 keV photons are emitted as a result of the decay of 137Cs. These photons undergo Compton scattering. What is the minimum energy of a Compton scattered photon? What is the maximum Compton electron energy?
What must the minimum muzzle velocity be for the shell to clear the top of the cliff?
question1a potters wheel having a radius 0.53 m and a moment of inertia 14 kgbullm2 is rotating freely at 53 revmin.
A sinusoidal voltage ?v = (100 V) sin (200t) is applied to a series RLC circuit with L = 40 mH, C = 120 ?F, and R = 32 ?. What is the maximum current in the circuit
Skid is floating in space 3 m from Mitch. Skid and his backpack have a combined mass 50 kg. What will be the new distance between Skid and Mitch
A 1.0-kg block of ice at -5ºC is dropped into a 55-gallon barrel of water at 80ºF. What is the final state of the mixture
A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers, What is the speed of the spaceship in terms of the speed of light
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