3. A 0. 200 kg air-track glider moving at 1. 20 m/s bumps into a 0. 600 kg glider at rest. (a) find the total kinetic energy after collision if the collision is elastic. (b) find the total kinetic energy after collision if the collision is completely inelastic.

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the correct answer would be 3. dogs and humans are more closely related than snakes and humans.

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she has insufficient time to complete her important tasks

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this isn't a question, nor is it appropriate for this web site

explanation:

you can't just go around joking about this kind of stuff.

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!