An object weighing 4 newtons swings on the end of a string as a simple pendulum

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

28. An object weighing 4 newtons swings on the end of a string as a simple pendulum. At the bottom of the swing, the tension in the string is 6 newtons. What is the magnitude of the centripetal acceleration of the object at the bottom of the swing? (A) 0.5 g (B) g (C) 1.5 g (D) 2.5 g

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