# physics

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A young boy swings a yo-yo horizontally
above his head so that the yo-yo has a cen-
tripetal acceleration of 240 m/s2.
If the yo-yo’s string is 0.29 m long, what is
the yo-yo’s tangential speed

• physics -

Use the equation
(acceleration) = V^2/R = 240 m/s^2

and solve for V.

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