How far can you get away from your little brother with the squirt gun filled with paint if you can travel at 4 m/s and you have 20s before he sees you?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

Word equation for k(s) +h2o(l) yield koh (aq) + h2