Answered

An object is dropped from the top of a building and is observed to take 7. 2s to hit the ground. How tall is the building?.

Answer :

REIDEENGO

Answer:

  • H=36 m

Explanation:

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v₀=0 m/s

H₀=0 m

g=10 m/s²

t=7,2 s

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H - ?

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[tex]\displaystyle \boldsymbol{H}=H_0+v_0t+\frac{gt^2}{2}=0 \; m+0\; m/s\cdot 7,2\; s+\frac{10\; m/s^2\cdot (7,2 \;s)^2}{2} =\boldsymbol{36\; m}[/tex]

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