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The liquid-drop model of the atomic nucleus suggests high-energy oscillations of certain nuclei can split the nucleus into two unequal fragments plus a few neutrons. The fission products acquire kinetic energy from their mutual Coulomb repulsion. Assume the charge is distributed uniformly throughout the volume of each spherical fragment and, immediately before separating, each fragment is at rest and their surfaces are in contact. The electrons surrounding the nucleus can be ignored. Calculate the electric potential energy (in electron volts) of two spherical fragments from a uranium nucleus having the following charges and radii: 35e and 5.59 10-15 m, and 57e and6.58 10-15 m.
If the backpack begins to slide when the spring ( = 150 ) stretches by 2.40 , what is the coefficient of static friction between backpack and table.
The two stick together and move off with a speed of 4.0 m/s. Evaluate what is the mass of the second car?
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
Two loudspeakers are vibrating in phase. They are set up as point C is located. Assume the speed of sound is 342 m/s. The speakers play the same tone. What is the smallest frequency that would produce destructive interference at point C.
A steel rod (? = 7860 kg/m3) has a length of 2.19 m. It is bolted at both ends between immobile supports. Initially there is no tension in the rod, because the rod just fits between the supports. Find the tension that develops when the rod loses 3..
Incurred expenses of $220,000 for its alcohol rehabilitation program but paid the expenses from unrestricted resources, not from available restricted resources.
compute the free energy DeltaG at 25 ^circ rm C for the nonstandard conditions at point B where the reaction quotient Q is 2.75 times 10^{-5}.
Albert pushes a 6-kg box across a level floor. He pushes with a force of 43 newtons, and observes that the box accelerates in the direction of his push, What must be the net force acting on the box
How fast will the electron be moving. What was his average speed (in m/s) for the race.
A 48 kg skier starts from rest at a height of H = 27 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal. avoid the effects of air resistance and assume the ramp is frictionles..
what is the maximum weight of the crate that the system can support? What is the angle needed for equilibrium.
A train starts at rest at a station and accelerates at a rate of 2.0 m/s^2 for 20 seconds. Then, this train runs at a constant speed for 100 seconds and slows down at a rate of 5.0 m/s^s until it stops at the next station. compute the total distan..
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