Question

https://pastpapers.papacambridge.com/?dir=Cambridge%20International%20Examinations%20%28CIE%29/AS%20and%20A%20Level/Mathematics%20%289709%29/2014%20Nov

9709_w14_qp_42.pdf

Q1 part i

Answer 1

In this I wanna know that why we took g as -10 to find time


Cuz g when P moves up is -10
And when P moves down is 10

So we are going from up to down. How to know whether g should be up or down

Answer 2

just in case @sillybilly123 @dude @SmokeyBrown

Answer 3

Oh thank you!
Ah I did my exam now am not looking for this question (:

Answer 4

y'all do the question anyway :v

Answer 5

(: