Question: The time T it takes for a pendulum to complete one full swing is given by where g is the acceleration due to gravity and

The time T it takes for a pendulum to complete one full swing is given by

where g is the acceleration due to gravity and L is the length of the pendulum. If g can be measured with a maximum error of 1%, how accurately must L be measured (in terms of percentage error) so that the calculated value of T has a maximum error of 2%?

L. T= 21,

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