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# In terms of physics, the characteristic feature of the

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SVP
Joined: 03 Feb 2003
Posts: 1596
In terms of physics, the characteristic feature of the  [#permalink]

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01 Jul 2003, 02:10
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0% (00:00) correct 100% (00:00) wrong based on 3 sessions

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In terms of physics, the characteristic feature of the roller coaster is that the cars' potential energy, gained through their being lifted by a chain drive through the Earth's gravity to the top of the first drop, has been converted to kinetic energy by the time the ride ends.

(A) cars' potential energy, gained through their being lifted by a chain drive
(B) cars' potential energy, a gain achieved as they are lifted by a chain drive
(C) potential energy from the cars' being lifted by a chain drive
(D) potential energy of the cars, gained as a chain drive lifts them
(E) potential energy gained by the cars, being achieved while a chain drive lifts them

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SVP
Joined: 03 Feb 2003
Posts: 1596

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01 Jul 2003, 04:23
evensflow wrote:
D??

proper subject - predicate agreement.

D is OK, but ambiguous: cars gained, or energy gained?
Senior Manager
Joined: 22 May 2003
Posts: 323
Location: Uruguay

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01 Jul 2003, 21:32
I guess is E then
Manager
Joined: 18 Jun 2003
Posts: 140
Location: Hockeytown

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01 Jul 2003, 23:51
stolyar wrote:
evensflow wrote:
D??

proper subject - predicate agreement.

D is OK, but ambiguous: cars gained, or energy gained?

D is definitely the best answer, but not a great answer. The key is to consider the entire subject "Potential energy of the cars" rather than just "potential energy."

On this one, note that (C) is impossible because you need a comma somewhere so that the clause can begin (the clause ends at "drop").
SVP
Joined: 03 Feb 2003
Posts: 1596

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02 Jul 2003, 00:01
JP, itis pure pleasure to read your comments. The picture is getting clear and simple. Please, keep on doing so in the same manner.
Manager
Joined: 12 Feb 2008
Posts: 175

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24 Sep 2008, 05:51
D for me as well.
although i have to say it sounds very strange.

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Re: SC:ENERGY &nbs [#permalink] 24 Sep 2008, 05:51
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# In terms of physics, the characteristic feature of the

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