How do you reduce standing waves? Low end sounds create standing waves when the reflected sound between walls is directly opposite in phase. By cutting the frequency, you can eliminate the problem. What are the effects of harmonics? Effects of harmonics in the power system Increase in installation and utility costs. Downtime and loss of […]
Why is SI easier than the English system?
Why is SI easier than the English system? There are several reasons why SI is preferred to the old English system of measurement: SI uses base 10, just like our number system, so it is much easier to learn, remember and convert between units. The prefixes used in SI are from Latin and Greek, and […]
What are the special VFR minimums?
What are the special VFR minimums? If the reported weather is less, a pilot can request a Special VFR Clearance. Several conditions must be met; the visibility must be at least one statue mile, the pilot must remain clear of clouds and at night, the pilot must be instrument rated in an IFR capable aircraft. […]
How can extinction affect humans?
How can extinction affect humans? As species disappear, infectious diseases rise in humans and throughout the animal kingdom, so extinctions directly affect our health and chances for survival as a species. The rise in diseases and other pathogens seems to occur when so-called “buffer” species disappear. Is extinction good or bad? Nevertheless, extinctions can have […]
Where is a delta found?
Where is a delta found? Deltas are located at river mouths. They usually exist at the mouth of a river entering an ocean. However, deltas can also be found where rivers meet a lake. While less common, sometimes deltas occur inland. What is Delta short answer? A delta is a triangular piece of land which […]
What is the wavelength of 1 hertz?
What are the harmful effects of algae?
What are the harmful effects of algae? 7 Major Harmful Effects of Algae to Human Being Harmful to living stock: The algae are harmful to humans in several ways. Blocking of photosynthesis: Parasitic algae: Mechanical injury: Contamination of water supply: Fouling of ships: Deterioration of exposed fabrics: What does algae bloom look like? An algal […]
Can you suddenly become farsighted?
Can you suddenly become farsighted? Signs and Symptoms of Presbyopia The most common symptom of presbyopia is the sudden onset of farsightedness, meaning that your near vision will be blurry while your distance vision will be clearer by comparison. What is worse nearsighted or farsighted? Nearsightedness means that your cornea might have a greater-than-average curvature, […]
What is the percentage of radioactive nuclei left after 3 Half Lives pass?
What is the percentage of radioactive nuclei left after 3 Half Lives pass? Thus the half-life of a nuclear decay process is the time required for the number of unstable nuclei to decrease from [A]0 to 1/2[A]0….Radioactive Decay Rates. Number of Half-Lives Percentage of Reactant Remaining 2 50%2=25% 12(12)(100%)=25% 3 25%2=12.5% 12(12)(12)(100%)=12.5% n 100%2n (12)n(100%)=(12)n% […]
How do rivers become larger as they travel across the land?
How do rivers become larger as they travel across the land? 1 Answer. Tributaries combine, adding water to rivers. A tributary is a stream that flows into a larger river. Small streams from around an area combine together to form a bigger tributary that eventually falls into rivers. What kind of organism makes up the […]