Claysn4806 Claysn4806

22-09-2020
Physics

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An airplane flies horizontally with a constant speed of 155.0 m/s at an unknown altitude. A package is released out of the airplane and takes 14.43 s to hit the ground. Ignore air resistance. The magnitude of the gravitational acceleration is 9.8 m/s2. Choose the RIGHT as positive x-direction. Choose UPWARD as positive y-direction Be careful, partial credit can't be given within each calculation. (a) What is the initial altitude (in meters) of the airplane (and the package) when the package is released

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moya1316 moya1316

23-09-2020

Answer:

y₀ = 1020.3 m

Explanation:

This is a projectile launching exercise, in this case as the package is released its initial vertical velocity is zero.

y = y₀ + [tex]v_{oy}[/tex] t - ½ g t²

when it reaches the ground its height is zero

0 = y₀ + 0 - ½ g t²

y₀ = ½ g t²

let's calculate

y₀ = ½ 9.8 14.43²

y₀ = 1020.3 m

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