Which country has night only 40 minutes? Norway Why is the rising sun important to Japan? During the 19th Century, the rising sun symbol became the flag of the military. As such, it was flying during Japan’s imperialist expansion when it occupied Korea and part of China. Why does the sun rise early in Japan? […]
What is a molecule that is not a compound?
What is a molecule that is not a compound? Compound Basics Let’s start with molecules. All compounds are molecules, but not all molecules are compounds. Hydrogen gas (H2) is a molecule, but not a compound because it is made of only one element. Water (H2O) can be called a molecule or a compound because it […]
Which trial has the greatest impulse?
Which trial has the greatest impulse? Explanation: impulse equals force x time so for each trial it would be a force which is 500 x 8 individual time trial 3 has the highest time which would equal the highest impulse. What type of relationship exists between momentum and mass? Mass and velocity are both directly […]
What happens when a sound source is moving?
What happens when a sound source is moving? When the sound source moves toward an observer, each successive wave is emitted closer to the observer than the previous wave and takes just a little less time to reach the observer than the previous one. Since the time between waves is reduced, the frequency is increased. […]
What is break even analysis and its assumptions?
What is break even analysis and its assumptions? 1. Break-even analysis is based on the assumption that all costs and expenses can be clearly separated into fixed and variable components. It assumes that fixed costs remain constant at all levels of activity. It should be noted that fixed costs tend to vary beyond a certain […]
What are three properties of a permanent magnet?
What are three properties of a permanent magnet? 3 properties of a magnet: The three properties that all magnets have are that they all attract certain metals, they have north and south poles, and two of the same poles will repel each other, while opposite poles will be attracted to each other. Which metals do […]
Does an object on the ground have potential energy?
Does an object on the ground have potential energy? Potential energy is energy that is stored in a person or object. The object has the potential to fall due to gravity. Gravitational potential energy depends on an object’s weight and its height above the ground (GPE = weight x height). Elastic potential energy is due […]
What is the scientific method for identification?
What is the scientific method for identification? The acronym for a scientific method: Analysis, Comparison, Evaluation, and Verification (see individual terms). The acronym for Automated Fingerprint Identification System. The first step of the ACE-V method. The assessment of an impression to determine suitability for comparison. How do I know if I have systemic issues? We […]
How often does aurora australis occur?
How often does aurora australis occur? Most southern lightshows occur during the Southern Hemisphere’s fall and winter months, which stretch from March through September. Here are four aurora australis hotspots for those looking for a southern celestial spectacle. What are the two most common and two most rare colors seen in auroras? The colors most […]
What happened to the pregnant wife in Chernobyl?
What happened to the pregnant wife in Chernobyl? One of the main characters in HBO’s miniseries “Chernobyl,” the pregnant wife of a young firefighter, still lives in Ukraine. The real-life Lyudmilla Ignatenko recently told the BBC that reporters have accused her of killing her unborn child. Why did Chernobyl cause birth defects? A 2010 study […]