A 25kgchild on a playground swing moves with a speed of 4.5 m/s when the3.0 m lo

Question

A 25kgchild on a playground swing moves with a speed of 4.5 m/s when the3.0 m

      long swing is at its lowestpoint. The mass of the swing seat is 2.0 kg. Neglectthe

      mass of the supportingchains.

a.       A. What is the angle thatthe swing makes with the vertical when the child is at the highestpoint?

b.     B. Assuming the child could pump the swing really fast, what speedat the lowest point would be required for the child to cause theswing to go in a complete circle around its support?

Please show All work and Formulasused to get the answer thank you!

Explanation / Answer

   The mass of the swing seat m ' = 2.0kg

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