Asked Jan 2, 2020

Two pendulums of lengths 1.44m and 1m start oscillating together. After how many oscillations will they again start swinging together?


Expert Answer

Step 1


          Two pendulums of lengths 1.44m and 1m start oscillating together.

Step 2


Physics homework question answer, step 2, image 1
Step 3

Let at t = 0, they start swinging together. Since their time periods are different, the swinging will not be in unison always. Only when number of completed oscillation differs by ...

Physics homework question answer, step 3, image 1

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