what is the period of oscillation?

Question

A bob of mass m is suspended from a string of length L, forming a pendulum. The period of this pendulum is 2.2 s. If the pendulum bob is replaced with one of mass m and the length of the pendulum is increased to 2L, what is the period of oscillation?

Answer 1

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The relation is PREDICTED to be:

T = 2pie (L/g)0.5

where g = 9.8,

This website appears to be very helpful.

http://www.exo.net/~pauld/activities/pendulums/pen...

Hope this helps=)