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  • 20-10-2019
  • Physics
contestada

find initial velocity and time in air​

find initial velocity and time in air class=

Respuesta :

joseaaronlara
joseaaronlara joseaaronlara
  • 20-10-2019

Answer:

The answer to your question is: v = 121.46 m/s

Explanation:

Data

h = 30 m

vo = ?

dx = 300 m

Formula

t = [tex]\sqrt{\frac{2h}{g}}[/tex]

speed = distance / time

Process

[tex]t = \sqrt{\frac{2(30)}{9.81}} \\[/tex]

t= 2.47 s

speed = 300 / 2.47

speed = v = 121.46 m/s

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