Physics, 26.12.2019 22:31 kmmjones6108
A30 kg girl and a 25 kg boy face each other on friction-free roller skates. the girl pushes the boy, who moves away at a speed of 1.0 m/s. what is the girl's speed?
Answers: 1
Physics, 21.06.2019 16:30
Which term best describes the phrase “something that happens”?
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Physics, 22.06.2019 06:30
If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
Answers: 3
Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
Answers: 3
A30 kg girl and a 25 kg boy face each other on friction-free roller skates. the girl pushes the boy,...
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