When you push a child on a swing, your action is most effective when your pushes are time to concide with the natural frequency of the motion. you are swinging a 30 kg child on a swing suspended from 5 meter cables. estimate the optimum time interval between your pushes.
would your answer be different if the child had a different mass?

4.4857 seconds

No

Explanation:

L = Length of the pendulum = 5 m

g = Acceleration due to gravity = 9.81 m/s²

Time period is given by

The optimum time interval in between the pushes is 4.4857 seconds

It can be seen that the mass of the child is not used in the formula and hence changing the mass would not result in a different time period.

The length of the pendulum and the acceleration of gravity of the planet determines the time period.

no simpler subs form complex ones. synthesise = make

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.