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.

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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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