Question

Newton’s version of Kepler’s third law is: P² = 4 π² / [G (M₁ + M₂)] × a³. The space shuttle orbits 261 km above the Earth's surface. How often do the astronauts see a sunrise (in minutes)?

Use the gravitational constant G = 6.67 × 10^-11 m³ kg^-1 s^-2, the mass of the Earth M = 5.97 × 10²⁴ kg, and the radius of the Earth to be 7100 km.

Answer 1

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