The masses of astronauts are monitored during long stays in orbit, such as when

Question

The masses of astronauts are monitored during long stays in orbit, such as when visiting a space station. The astronaut is strapped into a chair that is attached to the space station by springs and the period of oscillation of the chair in a frictionless track is measured. The period of oscillation of the 11.5 kg chair when empty is 0.760 s. What is the effective force constant of the springs? What is the mass of an astronaut who has an oscillation period of 2.00 s when in the chair? The movement of the space station should be negligible. Find the maximum displacement to the 100000 kg space station if the astronaut's motion has an amplitude of 0.100 m. A physicist at a fireworks display times the lag between seeing an explosion and hearing its sound, and finds it to be 0.300 s. How far away is the explosion if air temperature is 25.0 degree C, neglecting the time taken for light to reach the physicist? How much further away would the explosion be calculated to be if the speed of light is taken into account? And I need just part b for this question please the answer really supposed to be something similar to this answer(0.000346).

Explanation / Answer

c) x= (68.1+11.5)*0.1/100000 = 7.96x10-5


b) (104/3x108)*346 = 1.199x10-4 meter

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