The "escape velocity" from Earth (the speed required to escape Earth's gravity) is 2.5 * 10⁴miles 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

Question

Quizplus · Accepted Answer

To convert 2.5 * 10^4 miles per hour to meters per second, multiply by 1609 (meters per mile) and divide by 3600 (seconds per hour), resulting in approximately 1.1 * 10^4 m/s.

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