Category: Physics

What the heck is density?  Density is the amount of matter (mass) contained within a given amount of space (volume)  There.”— Presentation transcript: 1 This is NOT DESTINY…. How do English people say dynasty? Here are 4 tips that should help you perfect your pronunciation of ‘dynasty’: Break ‘dynasty’ down into sounds: [DIN] […]

Did I gain weight or am I just bloated? One easy way to tell the difference between bloat and belly fat is to note belly fat does not cause your stomach to expand wildly throughout the course of a day; bloat does. One other way to tell the difference between bloat and belly fat is […]

Where is ocean water most saline? The saltiest locations in the ocean are the regions where evaporation is highest or in large bodies of water where there is no outlet into the ocean. The saltiest ocean water is in the Red Sea and in the Persian Gulf region (around 40‰) due to very high evaporation […]

Can stainless steel be plated with copper? Copper. mainly used for its superb conductive properties, copper-plated stainless steel is used for printed circuits and semiconductors and printed circuits. To improve adhesion, you can put down a layer of nickel before plating with copper. How long does it take to plate copper? ~40 min. ~7.5 min. […]

What is density of a mineral? The density of a mineral is the ratio of its mass to its volume. It is a measure of how much “stuff” is squeezed into the amount of space the mineral occupies. What mineral has a density of 1? Density is a measure of the mass of a substance […]

What are the steps in constructing perpendicular and parallel lines? Constructing perpendicular and parallel lines Step 1: Draw a perpendicular line between A and XY. Step 2: Measure the perpendicular distance between the point and the line. Step 3: Draw a point that is the same distance from the line. Step 4: Draw the parallel […]

What happens if a torn ACL is not repaired? If nothing is done, the ACL injury may turn into chronic ACL deficiency. Your knee may become more and more unstable and may give out more often. The abnormal sliding within the knee also can hurt cartilage. It can trap and damage the menisci in the […]

When two waves interfere destructively what changes? This is known as destructive interference. In fact, if the two waves (with the same amplitude) are shifted by exactly half a wavelength when they merge together, then the crest of one wave will match up perfectly with the trough of the other wave, and they will cancel […]

Is Tokyo a metropolis? Under Japanese law, Tokyo is designated as a to (都), translated as metropolis. Its administrative structure is similar to that of Japan’s other prefectures. The Tokyo Metropolitan Government administers the whole metropolis including the 23 special wards and the cities and towns that constitute the prefecture. Is Metro an English word? […]

How big of a telescope do you need to see planets? Telescopes that have 4 or 5 inch diameters are great for viewing solar system objects like the planets, our Moon, and Jupiter’s moons. Viewing Neptune and Uranus can be difficult with a scope this small but it’s not impossible. A telescope of this size […]