Physics for IGCSE & O level - The Earth In Space (Section 5 - No. 44)
Describe how the student determines this time as accurately as possible.
Measures the time for 10 swings.
Uses a stopwatch to measure the time.
Takes repeat readings.
Makes sure that the pendulum swings to the same distance each time.
Explanation
Multiple readings and a reliable time-keeping device will give a better result.
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