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Use the 1967 International Gravity formula to calculate g at 0°, 45°, and 90° latitude. How big is the difference in g from that at the equator in an absolute sense (how many gal or mgal), at 45° and 90°? How big is the difference in a fractional sense?

Use the 1967 International Gravity formula to calculate g at 0°, 45°, and 90° latitude. How big is the difference in g from that at the equator in an absolute sense (how many gal or mgal), at 45° and 90°? How big is the difference in a fractional sense?

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Use the 1967 International Gravity formula to calculate g at 0°, 45°, and 90° latitude. How big is the difference in g from that at the equator in an absolute sense (how many gal or mgal), at 45° and 90°? How big is the difference in a fractional sense?
Transcribed Image Text:Use the 1967 International Gravity formula to calculate g at 0°, 45°, and 90° latitude. How big is the difference in g from that at the equator in an absolute sense (how many gal or mgal), at 45° and 90°? How big is the difference in a fractional sense?
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From International Gravity formula,gλ=ge(1+αsin2λ+βsin4λ)Where ge=gravity at the Equator= 978,033 mgalα=5.278895×10-3β=2.3462×10-5

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