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Ultimate pendulum Clock - William Shortt

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Manager
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Joined: 10 May 2018
Posts: 130
Concentration: Finance, Sustainability
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Re: Ultimate pendulum Clock - William Shortt  [#permalink]

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New post 22 Jul 2018, 22:25
Waiting to resolve the the same query as below.
niteshreddys89 wrote:
Could someone shine light on question number 2? How can it be D. IMO C is directly implied in the passage.

The only statement that I could find related to option D was the following,
Quote:
Since the acceleration due
to gravity depends on distance from the center of the
earth, this slight tidal movement affects the period of
swing of a pendulum.


and that implies it is the rotation that helped discover something about the clock and not the other way around.

Thanks in advance!

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Re: Ultimate pendulum Clock - William Shortt  [#permalink]

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New post 24 Jul 2018, 09:13
abhinav770 wrote:
Waiting to resolve the the same query as below.
niteshreddys89 wrote:
Could someone shine light on question number 2? How can it be D. IMO C is directly implied in the passage.

The only statement that I could find related to option D was the following,
Quote:
Since the acceleration due
to gravity depends on distance from the center of the
earth, this slight tidal movement affects the period of
swing of a pendulum.


and that implies it is the rotation that helped discover something about the clock and not the other way around.

Thanks in advance!


Hello,

please see below for explanation:

This is an According to the passage question, so there shouldnt be much analysis here.

The only piece of information you need here is this The first indications of seasonal variations in the earth's rotation were gleaned by the use of Shortt clocks.



Question 2. According to the passage, the use of Shortt clocks
led to the discovery that

A) optical sensing equipment can be used effectively in
time-keeping systems Trap to get you lost in the details

B) atomic clocks can be used in place of pendulum
clocks in observatoriesTrap to get you lost in the details

C) tides occur in solid ground as well as in oceans This is indeed stated like you pointed out. However, the trap here is that it has nothing to do with what Shortt Clocks helped in discovering. Shortt Clocks did not help to discover that tides occur in solid ground and in the oceans. It helped discover indications of seasonal variations in the earth's rotation. The passage then continues to explain how tides in ocean and solid are related to that (which we don't really need to know and its only meant to confuse us.

D) the earth's rotation varies from one time of year to another. This is what I talked about above. It's a rephrase of The first indications of seasonal variations in the earth's rotation were gleaned by the use of Shortt clocks..[/color]

E) pendulums can be synchronized with one another electronically It's clear that this has nothing to do with anything
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Re: Ultimate pendulum Clock - William Shortt  [#permalink]

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New post 05 Sep 2018, 00:40
7:30 min to solve passage with 2/4 correct.
can anyone share official Explanation and explain 2 & 3 question.
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Re: Ultimate pendulum Clock - William Shortt &nbs [#permalink] 05 Sep 2018, 00:40

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