Answer:
everything is perished isn't it?
hope it helps.
Here in this type of question we can use momentum conservation
It is because we can see there is no external force on the system
So we can use momentum conservation principle

here we know that




now after bird sits on it then final speed of the both will be same




so final speed will be 1 m/s
Jeremy’s son has more mass, so it would take more forever to reach the same height as his daughter
We know that either team is winning which means that the cumulative forces (sum of each girl force) on both teams are equal.
This means,

being x the force of the fourth girl on the east team.
Solving to x, you get

The fourth girl on the east is pulling with a force of 220N.
Answer:
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