QCAA Physics Practice Questions - QCAA Senior Secondary Physics (Queensland Units 3 & 4) Exam

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An object moves in a horizontal circle of radius 4.0 m at a constant speed of 8.0 m/s. What is the magnitude of its centripetal acceleration?

2.0 m/s² 32 m/s² 16 m/s² 64 m/s²

Correct Answer:

16 m/s²

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