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it is how earthquakes are measured.
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∙ 15y ago
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Is centripetal acceleration a uniform acceleration give reason?
No it is not because its direction is constantly changing. It is not a constant force. Force has direction as well as magintude and while it magnitude is constant its direction is not.
Why would a supergiant have a brighter absolute magintude than a white dwarf?
A supergiant is much larger than a white dwarf. A supergiant can be 10 to 70 times the size of our Sun, whereas a white dwarf is only about the size of the Earth.
Can the magnitude if the difference between two vectors ever be greater than the magnitude of their sum?
yes,if the components are making angle 0<=theta<=90 no ,the magnitude of vector can never attain a negative value |a|=square root of both components which always gives a positive value
What is the most beautiful thing in the universe?
Brightness depends on the luminosity and the distance from the observer. The Diamond project has created a light that is 100 billion times brighter than the Sun, but viewed from the edge of the Universe it probably wouldn't be seen.
What time did the Shaanxi earthquake happen?
The Shaanxi earthquake was caused from a dip slip fault. A dip slip fault is where one section of the land slips and slides from the other. The Shaanxi was the deadliest in history killing about 830,000 people.
How much does the brightness of a star change with each change in magintude of one?
Each 1 magnitude-number lower corresponds to 2.1544 times brighter.(Brighter objects have lower magnitude numbers.)Where that number comes from:Ancient Greeks classified the visible stars into six categories, based on brightness,which they called the "magnitudes". Applying relatively modern measurement methodsto those stars, it was found that in very general terms, many of the ones in the"First Magnitude" averaged around 100 times brighter than many of the ones inthe "Sixth Magnitude", so, retaining some of the ancient tradition involved, themagnitude system was defined so that a change of 6 magnitudes corresponds toa difference in brightness of 100 times.One magnitude = the 6th root of 100 = 2.15443... (rounded).
