nikaylee03 nikaylee03

13-10-2020
Physics

contestada

A rock is dropped from a cliff that is 80 m above the ground. What is the velocity of the rock when it hits the ground? (hint: acceleration due to gravity g = 9.81 m/s2)

Respuesta :

ashgoesoof ashgoesoof

13-10-2020

Answer:

45.1 m/s

Explanation:

use the equation v = u + at substitute the values v = 0 + 9.8×4.6 v = 45.08 round to about 3 s.f v = 45.1 m/s I do apologize if I'm incorrect.

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