A cliff diver on an alien planet dives off of a 32 meter tall cliff and lands in a sea of hydrochloric acid 1.20 seconds later. Assuming that the extra-terrestrial's initial speed was zero, what is the free fall acceleration of this strange world?

Question

Lizeth Wu

Physics

10 October, 11:27

A cliff diver on an alien planet dives off of a 32 meter tall cliff and lands in a sea of hydrochloric acid 1.20 seconds later. Assuming that the extra-terrestrial's initial speed was zero, what is the free fall acceleration of this strange world?

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Answers (1)

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Casey · Answer 1

44.4m/s^2

Explanation:

Use the formula ... S = ut + 1/2at^2

where ... S = 32m ... u = 0m/s ... t = 1.20s

32 = (0) (1.20) + 0.5 (1.20^2) a

; Acceleration of free fall = 44.4m/s^2