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Drilling into the seafloor off Mexico, scientists have extracted a unique geologic record of the single worst day in the history of life on Earth, when a city-sized asteroid smashed into the planet 65 million years ago, wiping out the dinosaurs and three-quarters of all other life.
Their analysis of these new rock samples from the Chicxulub crater, made public Monday, reveals a parfait of debris deposited in layers almost minute-by-minute at the heart of the impact during the first day of a global catastrophe. It records traces of the explosive melting, massive earthquakes, tsunamis, landslides and wildfires as the immense asteroid blasted a hole 100 miles wide and 12 miles deep, the scientists said.
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Explanation:
Some exoplanets may depending on the climate and vicinity from the sun.
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The displacements are not equal. While their direction is the same, their length (i.e., distance or magnitude) is not. A is longer than B.
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correct on e2020- sample respnse
All of the factors that need to be considered when determining an object's terminal velocity are the object's weight and area it presents, as well as air density.
<em>option </em><em>C </em><em>is the correct answer</em>
<h3>What is terminal velocity?</h3>
Terminal velocity is obtained when the speed of a moving object is no longer increasing or decreasing. That is the object's acceleration (or deceleration) is zero.
Mathematically, the formula for terminal velocity is given as;
V = √(2mg)/(ρAC)
where;
- m is the mass of the falling object
- g is the acceleration due to gravity
- ρ is the density of the fluid through which the object is falling
- A is the projected area of the object
- C is the drag coefficient
Thus, the variables to consider in determining terminal velocity of an object incudes the area, density of air, mass, etc.
Learn more about terminal velocity here: brainly.com/question/25905661
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