Suppose a Rocket Is Fired Vertically Upward from the Surface $\times$

question 43

Multiple Choice

Suppose a rocket is fired vertically upward from the surface of Earth with one-half of the escape speed.How far from the center of Earth will it reach before it begins to fall back? (Let g = 9.8 m/s² and R_E = 6370 km.)

• A)1.3 \(\times\) 10⁴ km
• B)8.5 \(\times\) 10³ km
• C)9.6 \(\times\) 10³ km
• D)2.6 \(\times\) 10⁴ km
• E)1.9 \(\times\) 10⁴ km

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