Asked by Elliot

one year ago
How many Global Positioning System (GPS) satellites are required to pinpoint your location on Earth’s surface? (1 point)
24
12
3
5

i think it's 4, but 4 is not an option
Answered by Elliot
I literally am so confused please help
Answered by Ms. Sue
http://www.physics.org/article-questions.asp?id=55
Answered by Elliot
So is it 24 ?????????

30 is not an option
Answered by Ms. Sue
Where did you get 24?

Read the part about trilateration.

Answered by DrBob222
From what I have been able to read, four are required unless the receiver clock is synchronized with the satellite clocks in which case only three are required. I think the key part of this question is "pinpoint.......on EARTH'S SURFACE". Knowing on earth's surface takes away the altitude aspect so three should do it I think. Remember I'm not a GPS expert.
Answered by DrBob222
Scroll down to Basic Concepts.
http://en.wikipedia.org/wiki/Global_Positioning_System
Answered by reality check
its 3
Answered by shirley
Correct Answers

1 A
2C
3B
4c

100%
Answered by anon
tru^
Answered by Kasey
It takes 3 Global Positioning Systems to get your pinpoint location. I just took the test its 3
Answered by Kasey
1:A
2:C
3:A
4:C
I just took the test and got 100%
Answered by Jasmine
The answer is 3.
Answered by Converse
you can put any answer for number 3
Answered by same same same
Shirley is correct
Answered by YOLO
EVERYBODY!!! shirley is 100% Correct listen to her!!!!!
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