Category: Physics

Which element is the densest? Osmium Does gasoline float on water? If gasoline is poured on free water (unrestricted), the gasoline will float on water because an equal volume of gasoline weighs less than the same volume of water. How much does a 55 gallon drum of kerosene weigh? You can expect an average 55-gallon […]

What are some environmental factors that can cause changes in ecosystems quizlet? Some environmental factors that can cause changes in ecosystems are extreme weather, disease, land use change, invasive species, and pollution. Explain how changes in land use can impact an ecosystem. Changes in land use can have a great impact on ecosystems. How does […]

What is the ratio of oxygen to acetylene? 1,2 to 1 Do you turn on oxygen or acetylene first? We recommend closing the oxygen valve first whenever turning off an oxy-fuel torch system especially when Acetylene is fuel. This is only part, but a very important part, of the complete safe operating procedure recommended for […]

Is iodine malleable or brittle? Malleability, the ability of a material to be hammered out into a sheet (from the Latin, malleus, hammer , is a fundamental property of metals. Solid non-metals, e.g. diamond, sulfur, iodine, do not tend to have this property. Which group is not malleable? Nonmetals Why is iodine not very reactive? […]

Who is Eden in the Garden of Eden? Garden of Eden, in the Old Testament Book of Genesis, biblical earthly paradise inhabited by the first created man and woman, Adam and Eve, prior to their expulsion for disobeying the commandments of God. It is also called in Genesis the Garden of Yahweh, the God of […]

How did the US government sell World War I to the public? What methods did the U.S. government use to sell the war to the nation? To sell the war to the nation, the government raised taxes. It raise ⅓ of the war effort from raising taxes with progressive income, war profit tax, tobacco, liquor, […]

What was the conclusion of Rutherford experiment? Conclusion of Rutherford’s scattering experiment: Most of the space inside the atom is empty because most of the α-particles passed through the gold foil without getting deflected. Very few particles were deflected from their path, indicating that the positive charge of the atom occupies very little space. Why […]

Can I use electrical tape instead of a wire nut? Never use tape in place of wire nuts—it’s simply not secure enough, and it’s vulnerable to damage. Some people like to use wire nuts and wrap them with tape. This fine to do, but you probably won’t find any wire nut manufacturers advising you to […]

What is the difference between 6kA and 10kA MCB? The main difference between the two is their capacity, with the MCB rated under 100 amps with an interrupting rating of under 18,000 amps. What is kA On breaker? So what is the kA rating? The value of the kA rating determines how much current the […]

How does NASA talk to perseverance? As Perseverance enters the Martian atmosphere inside its protective aeroshell, the rover will switch between several of its onboard antennas to stay in contact with Earth. Some of these antennas use powerful X-band transmissions that can send small amounts of data directly to the DSN. Is Curiosity rover still […]