Question

A swing that is 9.2m long has a child in it who is swinging. what is its period in seconds

Answer 1

The child on a swing can be modeled as a simple pendulum. The period of a simple pendulum is given by


`T=2 \pi \sqrt{ (L)/(g) }=2 \pi \sqrt{ (9.2m)/(9.8 (m)/(s^2) ) }=6.09s`