Physics, 16.05.2021 09:10 xoudoyditaous85alja
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Physics, 21.06.2019 19:00
Modify the equation fδt=δ (mv) to find the force of friction.
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Physics, 21.06.2019 21:20
Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market
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Physics, 21.06.2019 22:00
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?
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Physics, 22.06.2019 01:40
In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.
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Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50
Mathematics, 30.04.2021 20:50