OCR MEI Further Mechanics Major 2020 November — Question 1

Exam BoardOCR MEI
ModuleFurther Mechanics Major (Further Mechanics Major)
Year2020
SessionNovember
TopicWork, energy and Power 2

1 A particle P of mass 0.5 kg is attached to a fixed point O by a light elastic string of natural length 3 m and modulus of elasticity 75 N . P is released from rest at O and is allowed to fall freely.
Determine the length of the string when P is at its lowest point in the subsequent motion.