If the swimmer starts at rest, slides without friction, and descends through a vertical height of 2.36m, what is her speed at the bottom of the slide?

i don’t know what the answer is i wish i

can be answered using momentum.

momentum = p

p1= mass1 * velocity1

p1 = p2

therefore

p1 = 6kg * 4m/s

p1 = 24kgm/s

p2=m2 * v2

24 kgm/s = 7kg * v2

v2 = 24 kgm/s / 7kg

v2= 3.42 m/s

because growing process had stoped after 4-5 year

i think its c if i'm wrong