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 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 […]
How do you describe a function?
Which device is used to indicate the direction of current?
Which device is used to indicate the direction of current? The current flows through the ammeter. Note that an ammeter has a very low resistance. How can a DMM be used to determine the direction of flow? When using a multimeter to measure current, the only way that can be used to detect the level […]
What is the definition of similarities and differences?
What is the definition of similarities and differences? Answer. The word similarities means the comparison of 2 or more things that have something in common. The word differences means the comparison of 2 or more things that are different in any way. Hope this helps. How do you write similarities? How to Write a Compare […]
What is the maximum efficiency of solar cells?
What is the maximum efficiency of solar cells? 86.8% How can you increase the efficiency of a solar cell? To improve the solar energy system, here are some of the ways in which you can enhance the efficiency of the solar cells: Keep Your Solar Panels Clean. Install the panels correctly. Avoid Installing Solar Panels […]
Which element in Period 2 has less mass?
Which element in Period 2 has less mass? lithium Is there a shortage of silicon? Global silicon chip shortage hits supply of phones, TVs, cars and Australia’s NBN. Samsung, which is the largest manufacturer of computer chips in the world, as well as one of the biggest users, has said the chip shortage comes amid […]