Category: Physics

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 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 the minimum ceiling for VFR flight? IFR means a ceiling less than 1,000 feet AGL and/or visibility less than three miles. Low IFR (LIFR) is a sub-category of IFR. VFR means a ceiling greater than 3,000 feet AGL and visibility greater than five miles. What is the minimum VFR? Basic VFR Weather Minimums […]

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 […]

How do you describe a function? A function is a relation in which each possible input value leads to exactly one output value. We say “the output is a function of the input.” The input values make up the domain, and the output values make up the range. What are the qualities of a function? […]

What happen if the Earth is bigger than its current size? First, if the Earth is bigger that its current size, it would also gain a stronger magnetic field and greater gravitational pull because of the additional mass, and this is a bad news for us, because lifting an object would be so much difficult […]

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 […]

How do you tell if film is over or under developed? Leave the film in the developer long enough and you’ll get black negatives when you pull them from the fixer. In both cases, one clear sign of over- or under-development is a lack of detail in the negative, because the details tend not to […]

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 […]

What is the parallax of error and how could we avoid it? Parallax error is primarily caused by viewing the object at an oblique angle with respect to the scale, which makes the object appear to be at a different position on the scale. Read the lower part of the curved surface of the liquid […]