Question

If a 1 metre long pendulum has a time period of 2 seconds, what should be the length of pendulum of time period 4 seconds?

Answer 1

Answer:

2 meter

Explanation:

it is because we are doubling the time period so we will double the lenght also

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Answer 2

Answer:

Explanation:

If 1m long pendulum has a time period of 2s and

Length=? Of a pendulum has time period 4s

Then,

(1m long pendulum has a time period of 2s) x 2= 2m long pendulum has a time period of 4s