Category: Physics

Which is better 2-stroke or 4-stroke grass cutter? If you want a simple but powerful machine and don’t mind the noise or extra pollution, a 2-stroke might suit you well. However, if you prefer a quieter, more efficient machine – and one that doesn’t require a gas-oil mix to run – a 4-stroke might be […]

What is the first thing a lost hunter should do? The first thing to do is admit to yourself that you are in trouble. Think about what you need to do to survive. Observe the area; and look for shelter, fuel, etc. Plan how you are going to use your survival kit and your other […]

What are the three major flaws of the electoral college system? Three criticisms of the College are made: It is “undemocratic;” It permits the election of a candidate who does not win the most votes; and. Its winner-takes-all approach cancels the votes of the losing candidates in each state. How does the Electoral College work […]

How many atoms are present in 2 mole of H2SO4? Answer. Explanation: One sulfuric (H2SO4) molecule has 2 hydrogen atoms, 1 sulfur atom, and 4 oxygen atoms. You can also say one mole of sulfuric acid has two moles of hydrogen atoms, 1 mole of sulfur atoms, and 4 moles of oxygen atoms. How many […]

What is the cone of depression quizlet? cone of depression. occurs in an aquifer when ground water is pumped from a well, in an unconfined aquifer (water table), this is an actual depression of the water levels. in confined aquifers (artesian), the cone of depression is a reduction in the pressure head surrounding well. watersheds. […]

How long will it take for an object to hit the ground calculator? Choose how long the object is falling. In this example, we will use the time of 8 seconds. Calculate the final free fall speed (just before hitting the ground) with the formula v = v₀ + gt = 0 + 9.80665 * […]

What happens to a rock when heat and pressure were added? Metamorphic rocks form when heat and pressure transform an existing rock into a new rock. Contact metamorphism occurs when hot magma transforms rock that it contacts. Regional metamorphism transforms large areas of existing rocks under the tremendous heat and pressure created by tectonic forces. […]

What is the valence of K+? eight Why does K have no valence electrons? Elemental potassium has an [Ar] 4s1 electron configuration. One would say it has one valence electron. If we take that one valence electron away, it makes sense to say that it now has zero valence electrons because “1 – 1 = […]

Is Hannibal a cannibal? Hannibal Lecter M.D. (born January 20, 1933) is a Lithuanian-American serial killer, notorious for consuming his victims, earning him the nickname “Hannibal the Cannibal”. Orphaned at a young age, Lecter moved to the United States of America, becoming a successful psychiatrist. Is Hannibal Lecter a real person? Alfredo Ballí Treviño: The […]

Is fabric a good insulator? Fabrics like wool and fleece are great insulators and will keep your body warm over an extended period of time. On the reverse side, fabrics like lace and cotton don’t hold heat well, and won’t keep your body warm very long. What fabric holds heat the best? Wool Is polyester […]