What happens when you put a magnet near a compass? The needle of a compass is itself a magnet, and thus the north pole of the magnet always points north, except when it is near a strong magnet. When you take the compass away from the bar magnet, it again points north. So, we can […]
What is the relationship between the mass of the counterweight and theamount of work done on the projectile?
What is the relationship between the mass of the counterweight and theamount of work done on the projectile? As the force exerted on the projectile is equal to the mass of the counterweight times the gravitational constant, when the mass is increased, the force will also increase. What forces are involved in a trebuchet? A […]
Who is known as the father of modern astronautics?
Who is known as the father of modern astronautics? For his ideas, careful research, and great vision, Tsiolkovsky has been called the Father of Modern Astronautics. Early in the 20th century, an American, Robert H. Goddard (1882-1945), conducted a variety of practical experiments in rocketry. When did Russia put a man in space? A Is […]
What was early Autotroph called?
What was early Autotroph called? Photoautotrophs What is an example of an Autotroph? Algae, along with plants and some bacteria and fungi, are autotrophs. Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy. Kelp, like most autotrophs, creates energy through a process called photosynthesis. Why are humans referred […]
How do I make sure everyone has clean water?
How do I make sure everyone has clean water? 5 ways to improve water quality and access to water Improve sanitation facilities by providing toilets and latrines that flush into a sewer or safe enclosure. Promote good hygiene habits through education. Implement rainwater harvesting systems to collect and store rainwater for drinking or recharging underground […]
What happens if you put too many stamps on an envelope?
How much is Alaska worth today?
How much is Alaska worth today? The Alaskan Purchase Today, Alaska is, of course, worth much more than that. The state encompasses 586,412 square miles or more than 375 million acres. 2 Even at a cost of just $100 per acre, that would equate to more than $37 billion. How much does Alaska sell for? […]
How many red blood cells and white blood cells are in a single drop of blood?
Can two persons have same voice?
Can two persons have same voice? Although some people might sound quite a bit alike, no two voices are ever exactly alike. We each have a unique voice because so many factors work together to produce that voice. The pitch of your voice is largely determined by the length and tension of your vocal cords. […]
Are there any full blooded aboriginal peoples left 2020?
Are there any full blooded aboriginal peoples left 2020? Yes there are still some although not many. They are almost extinct. There are 5000 of them left. There are 468000 Aboriginals in total in Australia in which 99 percent of them are mixed blooded and 1 percent of them are full blooded. What is wrong […]