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Newton's Law of Gravity

8. Centripetal Forces & Gravitation / Newton's Law of Gravity / Problem 5

What is the percentage decrease in gravity strength at an altitude of 400 km above the Earth's surface? Given values are R_Earth=6.38×10⁶ m, G=6.67×10^-11 N.m²/kg², M_Earth=5.97×10²⁴ kg.

A

10%

B

11%

C

12%

D

14%

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