The "Escape Velocity" from Earth (The Speed Required to Escape

question 99

Multiple Choice

The "escape velocity" from Earth (the speed required to escape Earth's gravity) is 2.5 × 10⁴ miles per hour.What is this speed in m/s? (1 mile = 1609 m)

• A)4.2 × 10^-3 m/s
• B)6.9 m/s
• C)4.2 × 10² m/s
• D)1.1 × 10⁴ m/s
• E)4.0 × 10⁷ m/s

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