Category: Physics

Is nothing but the limit between maximum and minimum number? Minimum means the least you can do of something. For example, if the minimum amount of dollars you must pay for something is seven, then you cannot pay six dollars or less (you must pay at least seven). You can do more than the minimum, […]

Why is some food heated unevenly? Why Your Food Is Heating Up Unevenly Microwaves are sending radio waves toward your food, rather than heating it from underneath it like gas ovens. And people tend to pile leftovers with the densest part in the middle, which is why the outer edges will heat up, leaving the […]

What astrology sign is the moon in right now? Aries What is Lilith in astrology? In an astrology chart, Black Moon Lilith represents a person’s primitive impulses and behavior in their rawest form. It reveals our repressed sexuality, together with what makes us feel most vulnerable; it expresses the dark side of one’s personality, buried […]

Can firewood be too dry? It’s not something that most people complain about very often, but yes, wood can be too dry and burn faster than would be the case at an optimal 10-15% MC. What is the longest burning firewood? Hardwoods such as maple, oak, ash, birch, and most fruit trees are the best […]

How many primary colors are there? three What are the 7 primary colors? What are the 7 primary colors? There are seven colors in the rainbow: red, orange, yellow, green, blue, indigo and violet. Why are primary colors so important? The colors red, green, and blue are classically considered the primary colors because they are […]

What precautions should be taken when working with hydrogen peroxide? In the event of exposure to hydrogen peroxide, seek medical attention and follow these first aid guidelines: Inhalation—Seek fresh air. Eye Contact—Remove contact lenses if present. Skin Contact—Flush skin with plenty of water and cover irritated skin with an emollient. Ingestion—Do NOT induce vomiting. Is […]

What is the best definition of reflection? 1 : an instance of reflecting especially : the return of light or sound waves from a surface. 2 : the production of an image by or as if by a mirror. 3a : the action of bending or folding back. b : a reflected part : fold. […]

How do you tell which way the wind is blowing? A weather vane is designed to point directly into the wind. One side of the weather vane will be a narrow, pointed end (usually resembling the tip of an arrow). The other end is made wider to catch the wind. As the wind blows, you […]

Why do we use displacement? It quantifies both the distance and direction of the net or total motion along a straight line from the initial position to the final position of the point trajectory. A displacement may be identified with the translation that maps the initial position to the final position. What’s the formula for […]

What height of water is supported by atmospheric pressure what height of mercury? 760 mm Why is water not used as barometric liquid? Solution. Water is not a suitable barometric liquid because: (i) The vapour pressure of water is high, so its vapours in the vacuum space will make the reading inaccurate. (ii) Water sticks […]