What is another name for the vernal equinox?

What is another name for the vernal equinox? The vernal equinox (also called the spring equinox) is one of the two equinoxes—the times of the year when the amount of daylight and nighttime hours are just about of equal length. Will there be a early spring 2021? In 2021, the March equinox happens on Saturday, […]

How accurate is a spectrophotometer?

How accurate is a spectrophotometer? The minimum is not sharp and good results can be expected in a transmittance range from 0.2 to 0.6 or an absorbance range from 0.7 to 0.2. An inspection of the graph below indicates that transmittance values of 0.1 and 0.8 are the outside limits between which one can expect […]

How do liquids compare to density?

How do liquids compare to density? If you weigh equal amounts or volumes of two different liquids, the liquid that weighs more is more dense. If a liquid that is less dense than water is gently added to the surface of the water, it will float on the water. If a liquid that is more […]

What is the relationship between light and photography?

What is the relationship between light and photography? The relationship between the light, the subject and the viewer is at the heart of Lighting. The photographic subject can transmit, absorb or reflect photons (light particles). What is light and why it is important to photography? Lighting is a key factor in creating a successful image. […]

Are Push Ups anaerobic?

Are Push Ups anaerobic? Aerobic exercise (also known as cardiovascular exercise) builds your endurance. Anaerobic exercise typically means activities such as weightlifting and push-ups and sit-ups, which builds muscle and physical strength through short bursts of strenuous activity. Is speed aerobic or anaerobic? In most forms of speed training, including sprinting on the track or […]

Is a Van de Graaff generator dangerous?

Is a Van de Graaff generator dangerous? Preliminary cautions: The Van de Graaff can produce a spark that is simply irritating or quite dangerous. A spark several centimeters long can be the equivalent of 100 000 volts or more. What is the principle of the Van de Graaff generator? The Van De Graaff generator works […]

What is a experiment simple definition?

What is a experiment simple definition? An experiment is a procedure carried out to support, refute, or validate a hypothesis. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a particular factor is manipulated. Uses of experiments vary considerably between the natural and human sciences. What is basic experiment? A simple experiment is […]

How do you do apparent weight?

How do you do apparent weight? The apparent weight of an accelerating object is the vector sum of its real weight and the negative of all the forces that produce the object’s acceleration a = dv/dt. wapparent = wreal – ma. How do you use apparent in a sentence? Certain problems were apparent from the […]

How many atoms are in FEOH?

How many atoms are in FEOH? Percent composition by element Element Symbol # of Atoms Iron Fe 1 Hydrogen H 3 Oxygen O 3 How many atoms are in Fe2O3? five atoms What is the chemical name for rusting? iron oxide What is the importance of rusting? Rusting is the corrosion of iron which is […]

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