What are the 3 aspects of sound? Sound waves are changes in pressure generated by vibrating molecules. The physical characteristics of sound waves influence the three psychological features of sound: loudness, pitch, and timbre. Loudness depends on the amplitude,or height, of sound waves. The greater the amplitude, the louder the sound perceived. What is the […]
Who celebrates the winter solstice?
Who celebrates the winter solstice? The Pagan celebration of Winter Solstice (also known as Yule) is one of the oldest winter celebrations in the world. Ancient people were hunters and spent most of their time outdoors. Why did the Church establish Christmas on December 25? The church in Rome began formally celebrating Christmas on December […]
Does odometer measure speed or velocity?
Does odometer measure speed or velocity? The odometer gives us only the measure but doesn’t show the direction of velocity. The odometer measures the scalar quantity – the speed of the car. The device may be electronic or mechanical or a combination of the two. How do you calculate distance traveled using odometer? The formula […]
What is malleability and example?
What is malleability and example? It is the ability of a solid to bend or be hammered into other shapes without breaking. Examples of malleable metals are gold, iron, aluminum, copper, silver, and lead. Gold and silver are highly malleable. The property is not seen in non-metals. What do you mean by ductility class 8? […]
What are the 4 types of stems?
What are the 4 types of stems? There are four types of herbaceous stems. These are climbers, bulbs, tubers and runners. What are 3 things we already know about plants? The Top 10 Things to know about Plants There are about a quarter million different plant species. They dominate ecosystems all over the Earth. They […]
How do you tell your neighbors they are too loud?
How do you tell your neighbors they are too loud? Here are a few options. Talk to them. Suggest a plan and/or compromise. Come up with possible solutions. Give your neighbors a warning. Talk to your landlord, management company, or HOA. As a last resort, contact the police. How do you sleep with noisy upstairs […]
Why is my 9 year old so disrespectful?
Why is my 9 year old so disrespectful? Disrespectful behavior often comes down to kids having poor problem-solving skills and a lack of knowledge about how to be more respectful as they pull away. Often when kids separate from you they do it all wrong before they learn how to do it right. How do […]
What can be added to steel to make it stronger?
Does lift increase with speed?
Does lift increase with speed? Drag versus speed. method of increasing lift is by increasing velocity if the AOA is held constant just short of the “critical,” or stalling, AOA (assuming no flaps or other high lift devices). Lift and drag also vary directly with the density of the air. Does lift increase with Reynolds […]