Who used the radial pulse of Cepheid star to measure the distance of the star from Earth? Leavitt Why are there two dips in the Lightcurve in each period? During eclipses of either star, two sharp dips are observed in the light curve. The dips in brightness are caused by the combined areas during the […]
How do you report burn codes?
Why is there an absolute zero but no absolute hot?
Why is there an absolute zero but no absolute hot? Talking about the coolest possible temperature seems relatively simple. The coldest of the cold is absolute zero. As you may know, movement causes friction, which causes heat. As such, absolute zero is, in essence, when all movement stops. Is Blue Lava possible? Blue lava, also […]
How do I get over my fear of driving alone?
What is a perfect power in math?
What is a perfect power in math? In mathematics, a perfect power is a positive integer that can be resolved into equal factors, and whose root can be exactly extracted, i.e., a positive integer that can be expressed as an integer power of another positive integer. What is 3/4 to the power? Examples: 3 raised […]
What are the four types of organic molecules?
What are the four types of organic molecules? The four types most important to human structure and function are carbohydrates, lipids, proteins, and nucleotides. Before exploring these compounds, you need to first understand the chemistry of carbon. Is there any organic compound without carbon? Organic compounds are molecules that contain carbon atoms covalently bonded to […]
What does a Doppler ultrasound involve?
What does a Doppler ultrasound involve? A Doppler ultrasound is a test that uses high-frequency sound waves to measure the amount of blood flow through your arteries and veins, usually those that supply blood to your arms and legs. Vascular flow studies, also known as blood flow studies, can detect abnormal flow within an artery […]
What is a 1000 lbs called?
What is a 1000 lbs called? A kip is a US customary unit of force. It equals 1000 pounds-force, and is used primarily by civil engineers to indicate engineering loads where the pound-force is too small. Although uncommon, it is occasionally also considered a unit of mass, equal to 1000 pounds, i.e., one half of […]
How fast will the soccer ball going just as it reaches maximum height?
How fast will the soccer ball going just as it reaches maximum height? I have the magnitude and the direction of the speed. ∴the final velocity of the soccer ball is 19 m/s [48° above the horizontal]. What is the maximum height in meters the golf ball reaches before hitting the ground? 11.5 meters How […]
What is the meaning of transmission model?
What is the meaning of transmission model? The transmission model of communication describes communication as a one-way, linear process in which a sender encodes a message and transmits it through a channel to a receiver who decodes it. The transmission of the message many be disrupted by environmental or semantic noise. Who made the transmission […]