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Science & Mathematics by Anonymous 2018-09-16 20:10:59
Social Science
Which flying vertebrate in history [Pterosaurs, Mammals, Birds] is/was the best equipped [biomechanics] to survive? Why?
No response
Pterosaurs may be extinct, but they had a longer history and filled far more niches. Don't base assessment on just todays fauna. Bats may diversify more, or bats _ birds could be extinct in 3 million years, who knows? Lets stick to biomechanics. Tale of the tape: Pterosaurs: First appeared near 228 million...
Science & Mathematics by Anonymous 2018-09-16 18:24:58
Social Science
Equation containing fractions?
No response
I m solving some online math questions and thought I understood it but this problem with a fraction is confusing me. Solve for s. 2 - 2s = 3/4s + 13 I know I need to subtract 3/4s from each side, but after doing that it says I should have -11/4s + 2 = 13 and I don t really understand how to get that. I m not good...
Science & Mathematics by Anonymous 2018-09-16 18:18:56
Social Science
What to do if I lost my high blood pressure medicine?
No response
I'm 15 and I asked my step dad to order my medicine like 2 weeks ago and then I noticed he still didn't give me. He told me he gave yesterday but I don't remember getting it at all. Now, he's mad to me because he thinks I trash it. I have only one pill left for today and is Saturday. I don't...
Science & Mathematics by Anonymous 2018-09-16 18:16:57
Social Science
What is the rest mass of a photon traveling through water?
No response
Let v be the speed of this photon, and c the speed of light in vacuum. Because v>0, the photon has some energy E>0. But the photon is traveling through water so v<c. From special relativity we know that E=m0*γ*c², with: m0=photon rest mass γ=1/sqrt(1-(v/c)²) Because v<c, γ>0. But E>0, then...
Science & Mathematics by Anonymous 2018-09-16 16:21:25
Social Science
Would a large amount of force be able to stop a beam of energy?
No response
So I m debating with a friend about whether or not a large amount of force would be able to stop a large amount of concentrated energy. (Sorry for the example being from MHA) The best example I can think of would be: Would Katsuki Bakugo be able to stop Yuga Aoyama s navel laser?
