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Overunity Machines Forum



Can energy double?

Started by Zhang Yalin, April 25, 2010, 11:57:48 PM

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0 Members and 5 Guests are viewing this topic.

Yes or No?

Yes.
3 (30%)
No.
7 (70%)

Total Members Voted: 10

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Rapadura

#15
April 28, 2010, 07:16:38 AM

Can energy triple?

Rapadura

#16
April 28, 2010, 07:19:26 AM
It's obvious that a ball that falls pulling a car will fall with much less speed than if it was falling freely, without pulling anything.

With less speed, kinetic energy is less. The kinetic energy will just be "shared" between the ball and the car.

Zhang Yalin

#17
April 28, 2010, 10:25:38 PM
E=Gh=mgh=1×10×10=100J

Zhang Yalin

#18
April 28, 2010, 10:30:46 PM
The energy can't triple, It'll only increase a few energy less than 20J.

gyulasun

#19
April 29, 2010, 03:50:48 AM
Quote from: Zhang Yalin on April 28, 2010, 10:25:38 PM
E=Gh=mgh=1×10×10=100J

Hi,   if you mean the above result (100J) is the answer for my earlier question on "How much work should be done to lift the ball up to the same 10m height",  then your previous energy gain of 60J is not enough to return the ball for a restart.  Now what?
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