Category: Physics

What is ∈ called? The symbol ∈ indicates set membership and means “is an element of” so that the statement x∈A means that x is an element of the set A. In other words, x is one of the objects in the collection of (possibly many) objects in the set A. Which are the real […]

What is mean by nuclei? Plural nuclei (nōō′klē-ī′) The positively charged central region of an atom, composed of one or more protons and (for all atoms except hydrogen) one or more neutrons, containing most of the mass of the atom. The number of protons in the nucleus determines the atom’s atomic number and its position […]

What is one major difference between plasma and gas and why does that difference exist? They are different and unique from the other states of matter. Plasma is different from a gas, because it is made up of groups of positively and negatively charged particles. In neon gas, the electrons are all bound to the […]

How long can I dive at 60 feet? The old guideline for safe ascent was 60 feet per minute, which has been revised down to to the current recommendation of 30fpm. The rate of ascent is more critical at shallower depths, so many might ascend faster at deeper depths and slow to 30fpm or less […]

What happen if the ball hit directly on the endline? What happens if the ball hits directly on the endline? The ball may only be contacted 2 times before returning over the net. What is the maximum number of times one person can hit the ball in a row? three What is the maximum hits […]

How do you ensure confidentiality of participants in research? Researchers employ a number of methods to keep their subjects’ identity confidential. Foremost, they keep their records secure through the use of password protected files, encryption when sending information over the internet, and even old-fashioned locked doors and drawers. How do you maintain participants confidentiality A […]

What is the meaning of Coastal? Coastal things are near the ocean. If you like spending time at the beach, you might take a trip to a sunny, coastal vacation spot. The coast is the land that borders an ocean or sea, and the adjective coastal describes things that affect the coast or are located […]

What is the largest type of tephra? All explosive volcanic eruptions generate tephra, fragments of rock that are produced when magma or or rock is explosively ejected. The largest fragments, blocks and bombs (>64 mm, 2.5 inches diameter), can be expelled with great force but are deposited near the eruptive vent. How do you protect […]

What are the 3 things you never talk about? The 3 things you “never talk about” (religion, politics & money) are the ONLY things they talk about on the cable news networks… : Showerthoughts. What is not small talk? Read on to see the best of what we uncovered. Have some ‘deep’ conversation starters on […]

How deep is the Mississippi River at its deepest point? 61 m Can you eat fish out of the Mississippi River? “We don’t have any advisories on the Mississippi. It’s safe to eat the fish there,” says Langley. Langley says the Mississippi River “has such and immense volume” that it “would wash away just about anything.” […]