sarahbiesterveovxau3 sarahbiesterveovxau3
  • 28-01-2018
  • Physics
contestada

Determine the centripetal force acting upon a 40-kg child who swings in a circle at a speed of 3 m/s. The radius of the swing is 20m.

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Аноним Аноним
  • 28-01-2018
That would be  mv^2/r  = 40*3^2 / 20  =   18 N
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mohk1112
mohk1112 mohk1112
  • 29-01-2018
f= mv^2 / r

40×3^2 / 20

360/20= 18

18N
Answer Link

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