Answer:velocity=
Explanation:
We shall use conservation of energy to solve this problem
we have
Potential energy of King Kong at top of building = His kinetic energy at the bottom
Potential energy of an object =
= 20000 kg
Where m is mass of an object(20000 kg)
g is accleration due to gravity = 9.81
h is the height above the surface of earth = 1450 feet = 441.96 meters
Applying values we get
......................(i)
Now Kinetic energy is given by
.......................(ii)
Equating i and ii we get
86712.552 =

Applying values we get

Lực hút trái đất gọi Là trọng lực
a) Southward you need to apply right hand rule. If you close your hand to the east, your thumb will indicate south.
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Replacing


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