Question

A student decides to measure the period of a pendulum (the period is the time taken for one complete swing). Using a stopwatch, he finds that 8 complete swings take 7.4 seconds. With his calculator, he then uses this data to work out the time for one swing. The number shown on his calculator is 0.925. a. Is it acceptable for the student to claim that the period of the pendulum is 0.925 seconds? Explain your answer. b. How could the student measure the period more accurately? c. Later, another student finds that 100 complete swings take 92.8 seconds. From these measurements, what is the period of the pendulum? does any body know the answer of first and third part​

Answer 1

$Hope \: it \: helps!!!$