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Answers to Worksheet 4.1

Question:
For a 180 mm lens, the length of the camera footprint is about 30 miles.

Suppose you took a photo at MET 00/22:15:20.
If you wanted to take a second picture that began where the first ended:

[[diagram]]

How many seconds later should you take the 2nd picture? 6 seconds

At what MET would that be? 00/22:15:26

Question:
For the 50 mm lens, the length of the footprint of the camera is about 100 miles.

Suppose you took a photo at MET 01/00:07:10.
If you wanted to take a second picture that began where the first ended:

[[diagram]]

How many seconds later should you take the 2nd picture? 20 seconds

At what MET would that be? 01/00:07:30

09/19/96
Page 4.12