Is flour and water suspension? When you add flour to water, the mixture turns cloudy, and you cannot see through it. This mixture is not a solution but a suspension. In a the particles are larger than those found in a solution. Instead of dissolving, these larger particles turn the liquid cloudy. Is chalk and […]
Why is my heat pump running all night?
Is total harmonic distortion good or bad?
Is total harmonic distortion good or bad? In general, up to 1% is likely acceptable (maybe starting to get audible). But, the THD for the electronics will be much lower than THD for the speakers. Very general statement: for most modern SS amps (i.e. well designed amps), THD will be fine as long as you […]
Why do I mix up letters when I talk?
Why do I mix up letters when I talk? A ‘spoonerism’ is when a speaker accidentally mixes up the initial sounds or letters of two words in a phrase. The result is usually humorous. Are dyslexia only letters? Dyslexia is a language processing disorder, so it can affect all forms of language, spoken or written. […]
How do machines help us?
How do machines help us? Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever. Which is a result of using a machine? Answer choices: The […]
How many watts can 1 amp handle?
How can we eliminate waste and help the environment?
How can we eliminate waste and help the environment? Eight Ways to Reduce Waste Use a reusable bottle/cup for beverages on-the-go. Use reusable grocery bags, and not just for groceries. Purchase wisely and recycle. Compost it! Avoid single-use food and drink containers and utensils. Buy secondhand items and donate used goods. Shop local farmers markets […]
Why does a soap bubble has a rainbow color?
Why does a soap bubble has a rainbow color? Why are soap bubbles so colorful? The colors of a soap bubble come from white light, which contains all the colors of the rainbow. When white light reflects from a soap film, some of the colors get brighter, and others disappear. You can think of light […]
What are the 3 components of a good orderly visual search pattern?
What are the 3 components of a good orderly visual search pattern? The distance you can see ahead. The area you can see around you while looking straight ahead. The ability to judge distance between yourself and other things. The gripping power between your tires and the road surface. What is the biggest problem with […]
What color has the highest and lowest frequency?
What color has the highest and lowest frequency? Answer: Violet waves have the highest frequencies but the shortest wavelength range and Red waves have the lowest frequencies but the longest wavelength range. What color of light would be absorbed by a dye that looks yellow? The yellow strip in the following figure looks yellow because […]