a space explorer hangs a .085 kg ball on a 1.5 m wire(lineardensity of 3.1x10^-4

Question

a space explorer hangs a .085 kg ball on a 1.5 m wire(lineardensity of 3.1x10^-4kg/m). he then measures the time for a transverse pulse to travel the length of the wire and findsit is .083 s. mass fo wire is negligible compared to ball,what is the accel of gravity on this planet? trouble setting up a space explorer hangs a .085 kg ball on a 1.5 m wire(lineardensity of 3.1x10^-4kg/m). he then measures the time for a transverse pulse to travel the length of the wire and findsit is .083 s. mass fo wire is negligible compared to ball,what is the accel of gravity on this planet? trouble setting up

Explanation / Answer

Tension in wire = mg . Speed of wave pulse on wire = tension/     where islinear mass density . Speed is also   distance / time   so... .       L / t = mg/ . or...       g = L2 / t2 m   = 1.52 * 0.00031 / 0.0832 *0.085 = .                  =   1.191 m/s2

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