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, […]

What is the relation between CP CV and R?

What is the relation between CP CV and R? where cp is the specific heat coefficient at constant pressure, cv is the the specific heat coefficient at constant volume, gamma is the ratio of specific heats, and R is the gas constant from the equation of state. Is gamma CP a CV? gamma = cp […]

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 […]

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 […]

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 […]

What is the most important compound?

What is the most important compound? water What are the 10 most common compounds? Glossary Compound Formula Abundance parts per million by weight Silicon dioxide SiO2 428,600 Magnesium oxide MgO 350,700 Ferrous oxide FeO 89,700 Aluminum oxide Al2O3 69,900 What are examples of common compounds? Examples of Compounds – Common Compounds C2H6O: Alcohol. NaCl: Salt. […]

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 […]

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