page 05 4. A pendulum bob of mass m is released from rest at height h. The bob reaches a speed v at the lowest point of its swing. h Neglecting air resistance, the speed of the bob at its lowest point is doubled by A changing the height to 4h B changing the height to 2h C changing the height to h 2 D changing the mass of the bob to 2m E changing the mass of the bob to 2 m. [Turn over
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Exam Specification Info
This question is part of the UK A-Level Physics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
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