faithcannon15
faithcannon15 faithcannon15
  • 11-10-2016
  • Physics
contestada

A horizontal force of 350N is exerted on a 2.5 kg ball as it rotates uniformly in a horizontal circle of radius of 0.90m. Calculate the speed of the ball.

Respuesta :

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  • 11-10-2016
F=mv^2/R
----> V^2=FR/m=(350x0.9)/2.5=126
----- V=11.22 m/s
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