2. Geoff, a rock climber, is following his friend Marie up an overhanging cliff. Marie is attached to the rock
and ensures that the rope between herself and Geoff is taut at all times. Unfortunately, Geoff falls off
and subsequently swings. Unless otherwise stated, ignore air resistance.
Total for Question 2: 24
(a) Geoff passes through the equilibrium position, for the second time, after 4.5 s. At this point, he is
travelling at a speed of 5 ms−1
. Calculate the following:
i. The frequency of his oscillations. [2]
ii. His velocity 2.25 s after he falls.
Answer to ii part is - 3.54 but how to get it?