Category: Physics

What is no government called? Anarchy How many government systems are there? three Which country has best government? Here are the most politically stable countries based on perception: New Zealand. Australia. Sweden. Norway. Denmark. Denmark ranks No. Netherlands. The Netherlands, ranking No. Canada. Canada ranks second for its perceived political stability, in addition to earning […]

Is gold a ferromagnetic metal? Gold (Au) in its bulk form, like the metal in a wedding ring, is not considered a magnetic material. Technically, it is classified as “diamagnetic”, meaning that it can be repelled by a magnetic field, but cannot form a permanent magnet. Why Fe is ferromagnetic? The popular understanding of a […]

What types of waves do doctors use? Transverse Waves in Medicine Describe three ways that the transverse waves of the electromagnetic spectrum are used in medicine. Explain in your own words how the behaviors and characteristics of each of these waves play a role in the practical application. What type of waves does an MRI […]

What was the Beatles last hit song? The Long And Winding Road How do I know if my Abbey Road is original? Best way to tell if a record is genuine, firstly is by the Matrix number. Its engraved very small near to the label. It should be printed as if its done by hand […]

Can a 7 year old start her period? Now the average age for a first period is closer to 12, with one University of Cincinnati study reporting that about 10 to 15 percent of girls enter puberty at age 7 or younger, a phenomenon known as precocious puberty. This is up from just 5 percent […]

What is the precision of a study? Precision indicates how well a method or instrument gives the same result when a single sample is tested repeatedly. Precision measures the random error of a method, which is the scatter in the data. Precision does not indicate that an instrument is reporting the correct result; which is […]

How do you tell if it is exothermic or endothermic? An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.” What does it mean when entropy is negative? A negative change in entropy indicates that the disorder of an isolated system has […]

How does the Industrial Revolution affect the evolution of the peppered moth? After the pollution from the Industrial Revolution started affecting trees, most of the collected peppered moths were of the dark form. Click for more detail. As the trees darkened with soot, the light-colored moths were easier to see. They lived longer and passed […]

What is the fastest accelerating plane? Lockheed SR-71 Blackbird What is the highest Mach speed ever recorded? It’s Official. Guinness World Records recognized NASA’s X-43A scramjet with a new world speed record for a jet-powered aircraft – Mach 9.6, or nearly 7,000 mph. The X-43A set the new mark and broke its own world record […]

What is the order of scientific inquiry? It usually consists of six steps: question, observation or investigation, hypothesis, experiment, analysis of data (reviewing what happened during the experiment), and conclusion. Which of the following is the correct order for the steps of scientific inquiry? The correct order of steps of scientific enquiry are observe, question, […]