Physics, 24.11.2021 04:30 dontcareanyonemo
You and a fish called Wanda swim and dive together in a deep swimming pool. Discuss similarities and difference on the techniques you and Wanda apply to navigate up and down in the water.
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Answers: 3
Physics, 21.06.2019 22:00, homework2358
There is a theory that indicates that dinosaurs became extinct when about 65 million years ago, a large asteroid hit the earth surface. dust caused by this collision blocked the sunlight reaching the earth's surface and many forms of life became extinct due to the cold. fearing this threat, how large the radius of an asteroid should you be looking for if the dangerous asteroid size is approximately the same as the one that killed the dinosaurs? available data suggests that about 18% of that asteroid's mass ended up as a dust spread evenly over earth after eventually settling out of the upper atmosphere. about 0.0180 g/cm^2 of dust, which is chemically different than the earth's rock, covered the earth's surface. typical asteroids have a density of about 1.9 g/cm^3. now that we know the size of the asteroid, how much energy was released during impact, assuming all of it was just the kinetic energy of the asteroid right before the impact?
Answers: 1
Physics, 22.06.2019 11:20, ashtonbillups
More solar radiation is absorbed by earth’s surface than by
Answers: 1
You and a fish called Wanda swim and dive together in a deep swimming pool. Discuss similarities and...
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