Why does the speedometer of a car read instantaneous speed? The speedometer of a car read the instantaneous speed not the average speed. We know that average speed is the ratio of total distance to the total time.It changes during when the car is moving . What does the speedometer of the car measure? Speedometer, […]
What is the major source of energy for living organisms?
What is the major source of energy for living organisms? The Sun What is importance of classification? Three importance of classification are: It helps in the identification of living organisms as well as in understanding the diversity of living organisms. To understand and study the features, similarities and differences between different living organisms and how […]
What lives in a salt marsh?
What lives in a salt marsh? Composed of fine silts and clays, mud flats harbor burrowing creatures including clams, mussels, oysters, fiddler crabs, sand shrimp, and bloodworms. Salt marshes are salty because they are flooded by seawater every day. They are marshy because their ground is composed of peat. How do humans impact salt marshes? […]
What is the pH level of a banana?
What is the youngest province in Virginia?
What is the youngest province in Virginia? Coastal Plain Which Virginia province has the most karst topography? Valley and Ridge province What is the largest province in Virginia? Piedmont Which Virginia province has the highest elevation? Mount Rogers is the highest natural point in Virginia, United States, with a summit elevation of 5,729 feet (1,746 […]
What are the elements of circle?
What are the elements of circle? Important Circle Parts Radius: The distance from the center of the circle to its outer rim. Chord: A line segment whose endpoints are on a circle. Diameter: A chord that passes through the center of the circle. Secant: A line that intersects a circle in two points. How do […]
What happens when things are heated differently?
What happens when things are heated differently? When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object […]
Which planet has the greatest eccentricity?
Which planet has the greatest eccentricity? Mercury How is Earth’s eccentricity calculated? The formula to determine the eccentricity of an ellipse is the distance between foci divided by the length of the major axis. What is the maximum allowed value for eccentricity? 0.057 Is Earth’s orbital eccentricity large or small? The eccentricity of Earth’s orbit […]
When the economy is at full employment the unemployment rate is zero?
When the economy is at full employment the unemployment rate is zero? Full employment does not mean zero unemployment, it means cyclical unemployment rate is zero. At this rate, job seekers are equal to job openings. This is also called the natural rate of unemployment (Un) where real GDP is at its potential GDP. When […]
How do humans use radiant energy?
How do humans use radiant energy? Heat created by the body can be radiant energy. A surface heated by the sun converts the energy of the light into infrared energy which is a form of radiant energy. Cell phones utilize radiant energy to function. Magnetic motor generators that utilize neodymium magnets create radiant energy. What […]