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Julio decides to break the Guinness Book of World Records for bungee jumping. He goes
to the Macau Tower in China where the current record is held. After several heart-pounding
seconds, he leaps from a height of 233 meters. If his weight is 86 kilograms, what would his
potential energy be just prior to jumping? If when he jumped he reached a speed of 15 m/s, what
is his kinetic energy? Explain your answer

Respuesta :

Answer:

a)   U = 1.96 10⁵ J, b)  K = 9.675 10³ J

Explanation:

a) the potential energy is

          U = m g h

where zero energy in general takes the floor

let's calculate

          U = 86 9.8 233

          U = 1.96 10⁵ J

b) They ask for kinetic energy and give us the speed of man

          K = ½ m v²

let's calculate

          K = ½ 86 15²

          K = 9.675 10³ J

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