Calculate the period of a ball tied to a string of length 1.45 m making 3.2 revolutions every second. answer in units of s. your answer must be within ± 2.0%

Question

Brennan Wood

Physics

26 November, 01:53

Calculate the period of a ball tied to a string of length 1.45 m making 3.2 revolutions every second. answer in units of s. your answer must be within ± 2.0%

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Answers (1)

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Julius Erickson · Answer 1

Length of the string L = 1.45 m; Frequency F = 3.2 rps.

The movement would be in circular motion and we have an equation with time period and frequency that is

F = 1 / T = > T = 1 / F

So T = 1 / 3.2 = 0.3125 sec

Time Period = 0.3125 s