melissaklugr4 melissaklugr4

22-11-2020
Physics

contestada

Calculate the height from which a body is released from rest if its velocity just before hitting the ground is 30 meter per seconds?

Respuesta :

hamuniruha hamuniruha

22-11-2020

Explanation:

u = 0m/s

v = 30m/s

a = g = 10m/s²

s = H = ?

using the formula,

v² = u² + 2as

30² = 0² + 2(10)(H)

900 = 20H

H = 900/20

H = 45m

Answer Link

jaanvibella jaanvibella

22-11-2020

Answer:

the answer is

45m - height

Answer Link

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