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1. A thermal neutron induces ?ssion in a 235U nucleus. One of the ?ssion products is 132Sn, and three free neutrons are released.
(a) Write the entire ?ssion reaction.
(b) How much energy is released?
2. Compare the following: (a) total atomic binding energy of 1.0 kg of hydrogen atoms, (b) nuclear binding energy of 1.0 kg of deuterons, and (c) annihilation energy of 0.50 kg of protons with 0.50 kg of antiprotons. (d) Comment on the relative orders of magnitudes of the energies you computed in (a), (b), and (c).
a sample containing beryllium atomic mass 9 u aluminum 27 u and an unknown element is placed in a mass spectrometer.
A 3.1-cm-tall object is 47 cm in front of a converging lens that has a 11.8 cm focal length. Calculate the image position and height
An air conditioner operating between 86°F and 72°F is rated at 4000 Btu/h cooling capacity. What horsepower is required of the air conditioner motor
a distant galaxy emits light that has a wavelength of 550.5 nm. on earth the wavelength of this light is measured to be
Illustrate the role of the Sun's differential rotation in the formation of sunspots. Explain (briefly) the 22 year solar cycle, stating its essential features. Estimate the y-component of magnetic force.
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800kg/m3 , length 91.6cm and diameter 3.00cm from a storage room to a machinist. Calculate the weight of the rod
A rotating space station is said to create "artificial gravity"-a loosely-defined term used for an acceleration that would be crudely similar to gravity, what angular velocity would produce an "artificial gravity" of 9.80 m/s2 at the rim
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. estimate the volume of the cell
A forensic scientist is using a standard biological microscope with a 15 X objective and a 5 X eyepiece to examine a hair from a crime scene. How far from the objective is the hair
snow is falling vertically at a constant speed of 6.5 ms. at what angle from the vertical do the snowflakes appear to
Crate that weighs 20 Newton starts from rest and slides down a rough 5.0 meter long ramp inclined at 25o with the horizontal during this slide 20 Joule of energy is lost due to friction. Evaluate the kinetic force on the crate
A 2.0-kg rock that is initially at rest loses 407J of potential energy while falling to the ground. What is the rock's speed just before it strikes the ground
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