An Earth satellite is 3.0 × 10^7 m from Earth’s center at apogee and its speed there…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Energy and Momentum of Rotating Systems · Energy and Momentum of Rotating Systems

Problem

An Earth satellite is 3.0 × 10^7 m from Earth’s center at apogee and its speed there is 1.0 km/s. Its perigee distance from Earth’s center is 7.0 × 10^6 m. Calculate its speed at perigee. Give your answer in km/s.

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