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# The speed, in miles per hour, at which the car travels a dis

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Joined: 18 Apr 2015
Posts: 5150
Followers: 77

Kudos [?]: 1030 [0], given: 4640

The speed, in miles per hour, at which the car travels a dis [#permalink]  19 Jan 2016, 08:30
Expert's post
00:00

Question Stats:

62% (00:39) correct 37% (00:50) wrong based on 8 sessions

Note: Total stopping distance is the sum of the distance traveled during reaction time
and the distance traveled after brakes have been applied.

The speed, in miles per hour, at which the car travels a distance of 52 feet during reaction time is closest to which of the following?

 A 43
 B 47
 C 51
 D 55
 E 59

Practice Questions
Question: 17
Page: 342
Difficulty: medium
[Reveal] Spoiler: OA

_________________
Moderator
Joined: 18 Apr 2015
Posts: 5150
Followers: 77

Kudos [?]: 1030 [0], given: 4640

Re: The speed, in miles per hour, at which the car travels a dis [#permalink]  19 Jan 2016, 08:33
Expert's post
Solution

looking very carefully to the left graph, without doing any such calculation, you do notice that the distance in feet is 52 (the Y coordinate). So, on the X intercept we do have a value a bit less than 50.

The best answer is $$B$$
_________________
Re: The speed, in miles per hour, at which the car travels a dis   [#permalink] 19 Jan 2016, 08:33
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# The speed, in miles per hour, at which the car travels a dis

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