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Acceleration due to gravity measured with wire and ball

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To measure the acceleration due to gravity on a distant planet, an astronaut hangs a 0.070 kg ball from the end of a wire. The wire has a length of 1.5 m and a linear density of 3.1 10-4 kg/m. Using electronic equipment, the astronaut measures the time for a transverse pulse to travel the length of the wire and obtains a value of 0.085 s. The mass of the wire is negligible compared to the mass of the ball. Determine the acceleration due to gravity.

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Solution Summary

This solution shows how to find the acceleration due to gravity with a transverse pulse through a wire.

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