Hi! I have some questions I'd like to discuss regarding an experiment with the pendulum I will have...

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Physics

Hi! I have some questions I'dlike to discuss regarding an experiment with thependulum
I will have a laboratory class in which I will have to measurethe period of oscillation of the swinging pendulum using anelectronic stopwatch.
what method could I use to obtain the period of a physicalpendulum using a stopwatch, taking care to minimise anyuncertainties?
Can you help me to go through this questions?
Should you start the stopwatch at the same time as you set thependulum swinging, or would it be better to start the pendulumswinging and begin timing later?
Will you measure the time for just one â€œto-and-froâ€ swing (i.e.one period), or the time for multiple swings and then divide thetime by the number of swings to get the period?
How many measurements will you make at a particular pendulumlength? Would it be better to take the average of severalmeasurements?
What angle will you be using? Why?
What is the uncertainty in the length of the pendulum? Is itlimited by the precision
of your equipment or something else?
What is the minimum length that you will be using? Why?

Answer & Explanation Solved by verified expert

4.4 Ratings (879 Votes)

1 as the measurement of period is dependent upon the person who is taking the measurement because he has to decide at which point he will mark the starting point and to determine the exact time when the bob comes back to the starting point and stopping the stopwatch at that exact moment so it is impossible to get an accurate reading in only one swing of the bob so best way is to let it oscillate for multiple time say 10 or 20 and measure the total time taken for the same and calculate the time period as See Answer

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