Decide If you double the amplitude of a string vibrating at 10 Hz, will it sound louder? Why or why not?

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

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.

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat