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f a spring has time period T, and is cutinto ๐‘› equal parts, then the time periodof each part will be.(a) ๐‘‡โˆš๐‘›(b) ๐‘‡/โˆš๐‘›(c) ๐‘›๐‘‡(d) ๐‘‡

Question

f a spring has time period T, and is cutinto ๐‘› equal parts, then the time periodof each part will be.(a) ๐‘‡โˆš๐‘›(b) ๐‘‡/โˆš๐‘›(c) ๐‘›๐‘‡(d) ๐‘‡

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Solution

The time period of a spring is given by T = 2ฯ€โˆš(m/k), where m is the mass and k is the spring constant.

When the spring is cut into n equal parts, the spring constant of each part becomes nk because the spring constant is inversely proportional to the length of the spring.

So, the time period of each part will be T' = 2ฯ€โˆš(m/nk).

If we substitute the original time period into this equation, we get T' = T/โˆšn.

So, the correct answer is (b) ๐‘‡/โˆš๐‘›.

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