Some Molecules Move with Speeds Approaching the "Escape Velocity" from Earth

question 114

Multiple Choice

Some molecules move with speeds approaching the "escape velocity" from Earth, which is 7.0 miles per second. What is this speed in cm/h? (1 mi = 1609 m)

• A) 313 cm/h
• B) 4.1 × 10⁵ cm/h
• C) 4.1 × 10⁹ cm/h
• D) 1.1 × 10⁶ cm/h
• E) 1.6 × 10⁹ cm/h