Ronnice Ronnice

15-04-2021
Physics

contestada

Another child is on a swing next to the first. This child has a mass of 48 kg and a maximum kinetic energy of 3800 J. What is the velocity of this child?

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sibaal333 sibaal333

15-04-2021

Answer:12.583m/s

Explanation:

[tex]KE=\frac{1}{2}mv^{2}[/tex]

[tex]3800=\frac{1}{2}(48)v^{2}[/tex]

[tex]\frac{3800}{24}=v^{2}[/tex]

[tex]\sqrt{158.33} = v\\12.583m/s=v[/tex]

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