Answer:
The time taken to back and forth is 4.4 s .
Step-by-step explanation:
Length, L = 4.9 m
let the time period is T.
Acceleration due to gravity, g = 9.8 m/s^2
Use the formula of time period
The correct answer is "4.443 sec".
Given:
Mass of child,
= 34 kg
Mass of swing,
= 18 kg
Length,
= 4.9 m
The time period of pendulum will be:
T =
=
1.6m questions
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