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Updated on: 12 Sep 2025, 09:19
Originally posted by Sajjad1994 on 19 Dec 2019, 11:00.
Last edited by Bunuel on 12 Sep 2025, 09:19, edited 4 times in total.
Last edited by Bunuel on 12 Sep 2025, 09:19, edited 4 times in total.
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Projects Mercury, Gemini, and Apollo were the first three crewed spaceflight programs run by the National Aeronautics and Space Administration; several important milestones in the history of spaceflight were achieved as a result of these projects. The first crewed flight of Project Mercury marked the first instance of an American astronaut in space; in its third manned flight, an American astronaut orbited Earth for the first time. The Apollo program famously resulted in the first person setting foot on the Moon.
The first American in space flew in a mission with a Mercury-Redstone launch vehicle.: No
The Atlas-Agena launch vehicle was used on at least one flight that was not affiliated with Projects Mercury, Gemini, or Apollo.: Yes
The Saturn IB launch vehicle’s first flight featured 3 crew members.: No
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
38% (03:10) correct
62%
(03:06)
wrong
based on 907
sessions
History
Date
Time
Result
Not Attempted Yet
1. For each of the following statements, select Yes if, based on the information provided, the statement can be shown to be true. Otherwise, select No.
| Yes | No | |
| The first American in space flew in a mission with a Mercury-Redstone launch vehicle. | ||
| The Atlas-Agena launch vehicle was used on at least one flight that was not affiliated with Projects Mercury, Gemini, or Apollo. | ||
| The Saturn IB launch vehicle’s first flight featured 3 crew members. |
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Official Answer
The first American in space flew in a mission with a Mercury-Redstone launch vehicle.: No
The Atlas-Agena launch vehicle was used on at least one flight that was not affiliated with Projects Mercury, Gemini, or Apollo.: Yes
The Saturn IB launch vehicle’s first flight featured 3 crew members.: No
The range of launch vehicle heights.
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
94% (01:30) correct
6%
(01:30)
wrong
based on 721
sessions
History
Date
Time
Result
Not Attempted Yet
2. Which of the following has the greatest value?
| The average (arithmetic mean) of launch vehicle heights. | |
| The range of launch vehicle heights. | |
| The median of launch vehicle heights. | |
| The average (arithmetic mean) of launch vehicle diameters. | |
| The range of launch vehicle diameters. |
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Official Answer
The range of launch vehicle heights.
The Saturn V has the greatest height-to-mass ratio of the launch vehicles used in Projects Mercury, Gemini, and Apollo.: No
For the diameters of the launch vehicles used in Projects Mercury, Gemini, and Apollo, the median is equal to the mode.: Yes
Of the launch vehicles used in Projects Mercury, Gemini, and Apollo, the one with the highest mass-to-payload-capacity ratio was used in Project Apollo.: No
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
70% (02:50) correct
30%
(02:46)
wrong
based on 773
sessions
History
Date
Time
Result
Not Attempted Yet
3. For each of the following statements, select Yes if, based on the information provided, the statement can be shown to be true. Otherwise, select No.
| Yes | No | |
| The Saturn V has the greatest height-to-mass ratio of the launch vehicles used in Projects Mercury, Gemini, and Apollo. | ||
| For the diameters of the launch vehicles used in Projects Mercury, Gemini, and Apollo, the median is equal to the mode. | ||
| Of the launch vehicles used in Projects Mercury, Gemini, and Apollo, the one with the highest mass-to-payload-capacity ratio was used in Project Apollo. |
ShowHide Answer
Official Answer
The Saturn V has the greatest height-to-mass ratio of the launch vehicles used in Projects Mercury, Gemini, and Apollo.: No
For the diameters of the launch vehicles used in Projects Mercury, Gemini, and Apollo, the median is equal to the mode.: Yes
Of the launch vehicles used in Projects Mercury, Gemini, and Apollo, the one with the highest mass-to-payload-capacity ratio was used in Project Apollo.: No
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01 Jan 2020, 02:06
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1)a)No,since nothing can be clearly confirmed that whether the first flight was from Redstone or from LV-3B
b)Yes,since the first launch of it was before the first flight of all the missions
c)No,we cannot be sure as it can be from other vehicle as well.
2)Range of launch vehicle is highest (279.62)all other are lower than these
3)a)No,it has the least ratio
b)Median =mode=10,Yes
c)No,since Atlas agena(highest mass to payload ratio)was not in project Apollo
Posted from my mobile device
b)Yes,since the first launch of it was before the first flight of all the missions
c)No,we cannot be sure as it can be from other vehicle as well.
2)Range of launch vehicle is highest (279.62)all other are lower than these
3)a)No,it has the least ratio
b)Median =mode=10,Yes
c)No,since Atlas agena(highest mass to payload ratio)was not in project Apollo
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General Discussion
10 Oct 2024, 22:48
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1A , why is it a NO . we can assume both are being used . thats what we do for the others rights .
