A subcritical state will result by flattening a critical mass of fissionable material into the shape of a hamburger.
To find the answer, we need to know about the critical mass.
<h3>What is critical mass?</h3>
- A material's nuclear characteristics (particularly, its nuclear fission cross-section), density, shape, enrichment, purity, temperature, and environment all affect its critical mass.
- A mass of fissile material is considered to be in a critical state when a nuclear chain reaction in the mass is self-sustaining and there is no change in power, temperature, or neutron population.
- At a specific temperature, a mass might be precisely critical.
- A subcritical state will result by flattening a critical mass of fissionable material into the shape of a hamburger.
- The cross sections for fission and absorption grow as the relative neutron velocity drops.
Thus, we can conclude that, a subcritical state will result by flattening a critical mass of fissionable material into the shape of a hamburger.
Learn more about the critical mass here:
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Answer:
555
Explanation:
The scenario is shown in the image attached below. A Right Angled Triangle is formed. We have an angle of 6 degrees, the side adjacent to angle which measures 1 mile and we need to find the side opposite to the angle.
Since 1 mile = 5280 feet, the side adjacent to the angle has a measure of 5280 feet.
Tangent ratio relates the opposite and adjacent side by following formula:
Using the given values, we get:
Thus, rounded to nearest foot, the height of the building is 555 feet
F = ma
f/m = a
9/0.1 = 90 m/s^2
so the answer is 90 m/s^2
The ray of light passes through the center of curvature of a concave mirror it strikes the mirror along the normal ray It incidences on to the mirror at an angle of 90 degrees. The angle of reflection is 90 degrees as well because the angle of reflection and the angel of incidence are the same.
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