In the absence of air resistance, the least speed with which a body must be projected vertically upward from Earth's surface m_e = 5.99 *10²⁴ kg, r_e = 6.37 * 10⁶ m) if it is to reach an altitude of 800 km is A) ~1.39 * 10⁷ m/s. B) ~3.73 * 10³ m/s. C) ~1.57 * 10⁷ m/s. D) ~3.96 * 10³ m/s. E) ~3.34 * 10³ m/s.

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The Answer of In the absence of air resistance, the least speed with which a body must be projected vertically upward from Earth's surface m_e = 5.99 *10²⁴ kg, r_e = 6.37 * 10⁶ m) if it is to reach an altitude of 800 km is A) ~1.39 * 10⁷ m/s. B) ~3.73 * 10³ m/s. C) ~1.57 * 10⁷ m/s. D) ~3.96 * 10³ m/s. E) ~3.34 * 10³ m/s.

In the Absence of Air Resistance, the Least Speed with Which