energy conservation....dis is an SOS

Dis is a real emergency(simple one though).....plz helpp....

when a gas filled balloon rises up, it gains both kinetic energy and potential energy.....how does the principle of conservation of energy apply in this case??Explain..

2 Answers

1
injun joe ·

As the balloon rises up, it displaces the air of the atmosphere. the potential energy of the atmosphere hence decreases. the total energy of the balloon-atm system is conserverd

62
Lokesh Verma ·

Kinetic energy is the sum of the work done by the external forces...

So Kinetic + Po\tential should have been zero..

There is work done by bouyancy.. That is something you have to also consider.. :)

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