3.6) Line AD is observed in 3 sections AB BC and 13 CDs with length and standard deviation as listed
below. what is the total length AD and its standed
deration?ta) AB - 572.124.0,02 47,8C =7074.38_0103 he
20
2 CD = 1542 78 toost BAB= 232,965 tatoom
2 BC=743.030 taott CD=652.250mt aloosm​

We all use gps today, even if we don't drive yet. i bet you have been in the car with a parent and they have asked you to get out your phone to find a specific location. in your car, on the phone, you are using a very sophisticated technology. gps satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth. gps receivers take this information and use trilateration to calculate the user's exact location. essentially, the gps receiver compares the time a signal was transmitted by a satellite with the time it was received. the time difference tells the gps receiver how far away the satellite is. now, with distance measurements from a few more satellites, the receiver can determine the user's position and display it on the unit's electronic map. what type of signal is utilized by the gps satellite?

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?