Question

The measurement value of length of a simple pendulum is 20cm known with 2 mm accuracy the time for 50 oscillations was measured to be 40 s within 1 s resolution calculate the percentage accuracy in the determination of acceleration due to gravity g from above measurement ​

Answer 1

Answer:

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Answer 2

0.01 +20+2×1/20

0.01 +0.06

In this problem we use g/g×100

so tat we get 6 %

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