A Tetherball Is on a 2

question 5

Multiple Choice

A tetherball is on a 2.1 m string that makes an angle of 44° with the vertical as it moves around the pole in a horizontal plane.If the mass of the ball is 1.3 kg,what is the ball's speed?

• A)3.7 m/s
• B)2.9 m/s
• C)3.4 m/s
• D)4.2 m/s

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