What are the examples of energy conversion? What are some examples of energy transformation? The Sun transforms nuclear energy into heat and light energy. Our bodies convert chemical energy in our food into mechanical energy for us to move. An electric fan transforms electrical energy into kinetic energy. How many amps will kill you chart? […]
What is a good attack angle?
What are the advantages of observation in research?
What are the advantages of observation in research? The biggest advantage of observational research has already been noted: it enables businesses to observe potential customers in a natural setting, which can reveal penetrating insights unavailable through other methods such as focus groups and surveys. What are the advantages and disadvantages of a survey? Advantages of […]
What are the 3 laws of flight?
What are the 3 laws of flight? The Third Law states that “For every action, there is an equal and opposite reaction.” It was developed by Sir Issac Newton in the 17th century. The four forces of flight are always acting on an aircraft: thrust (forward), drag (rearward), lift (up), and weight (down). How is […]
What 3 things does a pedometer measure?
What 3 things does a pedometer measure? Pedometers come in all shapes and sizes. Simple devices simply measure steps, while others also include features such as time, alarm, distance, calories, etc. Are phone pedometers accurate? Accurate pedometers are useful tools to motivate and estimate physical activity. There are today free pedometer applications available for download […]
What is inside of a ping pong ball?
What is inside of a ping pong ball? Celluloid is a thermoplastic made from nitrocellulose and camphor. Sometimes dyes and stabilizers are added. A typical ping pong ball might consist of 70% to 80% nitrocellulose, with up to 30% camphor. Small amounts of dye, ethanol, and stabilizers make the ball colorful, more stable, and less […]
What is it called when you study stars?
What is it called when you study stars? What is Astronomy? Astronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars . How do scientists study space today? Astronomers study the […]
Why the nucleus is very dense?
What was the first plane to break sound barrier?
What was the first plane to break sound barrier? Bell X-1 Did Spitfire break sound barrier? A Spitfire very nearly broke the sound barrier in 1944. In the 1930s a small number of aero-engineers recognized that the piston-engine and propeller were providing diminishing returns. For the aircraft to go supersonic the whole propeller would have […]