The speed needed to escape the pull of Earth's gravity is 11.3 km/s.What is this speed in mi/h? (1 mile = 1609 m)

Name: The speed needed to escape the pull of Earth's gravity is 11.3 km/s.What is this speed in mi/h? (1 mile = 1609 m)
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Question

Quizplus · Accepted Answer

First, we need to convert the given speed from km/s to m/s:

11.3 km/s × 1000 m/km = 11,300 m/s

Then, we can convert from m/s to mi/h:

11,300 m/s × (3600 s/h) ÷ (1609 m/mi) = 25,330 mi/h

Rounding to the nearest hundred gives us answer B, 25,300 mi/h.

The Speed Needed to Escape the Pull of Earth's Gravity