Category: Physics

Can the smell of spray paint kill you? If you sniff it and get high off of it, yeah! Spray paint in small amounts kills off brain cells. They are the only ones that don’t reproduce. Large amounts will kill you. Can spray painting cause lung cancer? In the case of spray painting, the paint […]

Why do things look bigger under water? The index of refraction for water is 1.33. This larger index of refraction for water means that the angle the rays of light reach your eyes is larger in water than the angle would be in the air. This increase in the angle size of light to your […]

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 are the 6 stages of the design process? Designers tend to use a six-stage process to organize their fact finding and decision making: (1) Empathy, (2) Define, (3) Ideate, (4) Prototype, (5) Test, and (6) Launch. Note, user refers to anyone who is a target of our design work. Empathy: Empathy is the foundation […]

What rocks is coarse grained? Coarse grain varieties (with mineral grains large enough to see without a magnifying glass) are called phaneritic. Granite and gabbro are examples of phaneritic igneous rocks. Fine grained rocks, where the individual grains are too small to see, are called aphanitic. Basalt is an example. What are the most common […]

Which is the correct expression for Half-Life? The time required for half of the original population of radioactive atoms to decay is called the half-life. The relationship between the half-life, T1/2, and the decay constant is given by T1/2 = 0.693/λ. What is the half-life for uranium 238? about 4.5 billion years How dangerous is […]

Can you go crazy from being alone? Being alone might cause you to hallucinate Basically, you’re not reading what’s actually happening correctly and are just reacting to your trauma with forms, visions, or sounds that are a projection of yourself. Kay didn’t experience any of these hallucinations triggered by intense fear or stress. Can u […]

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 used to represent a compound? Compounds are represented by chemical formulas. Elements in a compound are represented by chemical symbols, and the ratio of different elements is represented by subscripts. Which compound contains both ionic and covalent bonds Ki CaCl2 ch2br2? Answer Expert Verified NaCn contains an Na+ ion and a CN- negative […]