Why gold leaves are used in Electroscope? A gold-leaf type electroscope is a device used to detect the presence of electric charge on a body and its relative amount. They also capture charge leaking through the air that could accumulate on the glass walls, and increase the sensitivity of the instrument. What happened when you […]
How much power does the brain use?
Who gave the best definition of economics?
Who gave the best definition of economics? Lionel Robbins (1932) developed implications of what has been termed “[p]erhaps the most commonly accepted current definition of the subject”: Economics is a science which studies human behaviour as a relationship between ends and scarce means which have alternative uses. What is economics and examples? Introduction to Economic […]
How fast do hockey players skate mph?
When discussing engines What is the ratio of output?
When discussing engines What is the ratio of output? When discussing engines, the ratio of output work to input work expressed as a percentage is called . Efficiency η is the ratio of input work over the output work. It is defined as: η=work done/heat absorbed=(Q₂-Q₁)/Q₁where Q₁ is the heat absorbed and Q₂-Q₁ is the […]
When two variables decrease Together they are?
When two variables decrease Together they are? Positive correlation is a relationship between two variables in which both variables move in tandem—that is, in the same direction. A positive correlation exists when one variable decreases as the other variable decreases, or one variable increases while the other increases. How do you find the relationship between […]
How do you increase torque in an engine?
How do you increase torque in an engine? How You Can Increase Horsepower and Torque? Clean House to Increase Horsepower. Perform a Tune-Up on the Engine. Install a Turbo Kit or Supercharger. Install a Cold-Air Intake. Install an Aftermarket Exhaust System. Buy an Engine Tuner. Conclusion. Does more torque feel faster? If there are two […]
Is RNA the same as DNA?
Is RNA the same as DNA? There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine. What is RNA and function? The […]
What are the consequences of getting natural gas and oil in this way?
What are the consequences of getting natural gas and oil in this way? The health risks from oil and gas extraction are not limited to air pollution. The drilling method of “fracking” is known for contaminating drinking water sources with chemicals that lead to cancer, birth defects and liver damage. What are 5 sources of […]
Is hammer a metal or non metal?
Is hammer a metal or non metal? In contrast, materials like coal and sulphur are soft and dull in appearance. They break down into powdery mass on tapping with hammer. They are not sonorous and are poor conductors of heat and electricity. These materials are called non-metals. Can a hammer break metal? Because the hammer’s […]