15. A pendulum that completes a cycle in 4 seconds has a period of ____________s

Question

15. A pendulum that completes a cycle in 4 seconds has a period of ____________seconds.





Use the period formula for the following. Answer in decimal form.

19. What is the period (on earth) of a .25 kg pendulum with a length of .45 m? (use the formula) ____________




20. What is the period (on earth) of a 7.5 kg pendulum with a length of .45 m? (use the formula) ____________






21. In order to swing with a period of exactly 2.0 s, a grandfather clock 15. A pendulum that completes a cycle in 4 seconds has a period of ____________seconds.





Use the period formula for the following. Answer in decimal form.

19. What is the period (on earth) of a .25 kg pendulum with a length of .45 m? (use the formula) ____________




20. What is the period (on earth) of a 7.5 kg pendulum with a length of .45 m? (use the formula) ____________






21. In order to swing with a period of exactly 2.0 s, a grandfather clock

Explanation / Answer

15. Time period is nothing but time taken to complete one oscillation. So time period (T) of the pendulum = 4 s 16. Frequency (f) of the pendululm is f = 1 / T = 1 / 4s = 0.25 Hz 17. Pendulum completes 25 cycles in a minute, that means pendulum completes 25 cycles in 60 s. Then time taken by the pendulum to complete one cycle is T = (60 s) / (25) = 2.4 s 18. Frequency (f) is f = 1 / T = 1 / 2.4s = 0.42 Hz

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