A Stone Is Tied to the End of a String

question 19

Multiple Choice

A stone is tied to the end of a string and is swung with constant speed around a horizontal circle with a radius of 1.5 m.If it makes two complete revolutions each second, its acceleration is:

• A)0.24 m/s²
• B)2.4 m/s²
• C)24 m/s²
• D)240 m/s²
• E)2400 m/s²

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