Waves - What is the value of g, the acceleration due to gravity, on Planet X?
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Astronauts visiting Planet X have a 2.40 m-long string whose mass is 5.50 g. They tie the string to a support, stretch it horizontally over a pulley 1.60 m away, and hang a 1.80 kg mass on the free end. Then the astronauts begin to excite standing waves on the string. Their data show that standing waves exist at frequencies of 64; Hz and 80; Hz, but at no frequencies in between. What is the value of g, the acceleration due to gravity, on Planet X?
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