How does orbital speed depends on its mass?

How does orbital speed depends on its mass? As seen in the equation v = SQRT(G * Mcentral / R), the mass of the central body (earth) and the radius of the orbit affect orbital speed. The orbital radius is in turn dependent upon the height of the satellite above the earth. What is satellite […]

What was the deadliest concentration camp?

What was the deadliest concentration camp? Auschwitz Who first discovered the concentration camps? the Soviets Who found Auschwitz? Heinrich Himmler What percentage of those who arrived at Auschwitz were killed? However, a calculation that is both conservative and reliable indicates that at least 1.1 million people were gassed to death at Auschwitz—90 percent of them […]

Is a dishwasher hot enough to sterilize?

Is a dishwasher hot enough to sterilize? Today’s dishwashers likely get to 120°F at a minimum because that’s the standard setting on most home hot-water heaters. The NSF/ANSI Standard 184 says a dishwasher can claim it has a sanitizing cycle if a final extended hot-water rinse reaches 150°F. That means the machine kills 99.999 percent […]

Which material creates the most static electricity?

Which material creates the most static electricity? Materials that gain a positive (+) electrical charge (or tend to give up electrons) Dry human skin Greatest tendency to giving up electrons and becoming highly positive (+) in charge Leather Rabbit fur Fur is often used to create static electricity Glass The glass on your TV screen […]

What is meant by damping frequency?

What is meant by damping frequency? Damping is the absorption of the energy of oscillations, by whatever means. Generally, this results in the decreased amplitude of the waves. The processes which result in damping also reduce the natural frequency of a system. How do you solve critical damping? The general solution to the critically damped […]

How many hours should you stand a day?

How many hours should you stand a day? Experts have found that you should try to stand for at least 2 hours per day, but up to 4 hours per day could be optimal. This might seem like a lot, but there are lots of ways you can fit standing into your day. How many […]

Are we made of carbon-12?

Are we made of carbon-12? The most important structural element, and the reason we are known as carbon-based life forms. About 12 per cent of your body’s atoms are carbon. What does carbon-12 indicate? Carbon-12 is of particular importance in its use as the standard from which atomic masses of all nuclides are measured, thus, […]

Why is direction important in a vector?

Why is direction important in a vector? To know the velocity of an object one must know both how fast the displacement is changing and in what direction. Therefore it is also well represented by a vector. Acceleration, being the rate of change of velocity also requires both a magnitude and a direction relative to […]

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