18
QuizMultiple Choice

Two-Dimensional Motion and Gravity — Test

Question 18 • Physics

A group of scientists is trying to launch an object into orbit, and the object is traveling at 6500 m/s Which best explains why the object will not successfully orbit Earth?

Answer
A
The object is traveling too fast to match Earth’s curvature.
B
There is not enough friction to keep the object moving.
C
The object is not traveling fast enough to match Earth’s curvature.
D
There is not enough air resistance to keep the object moving.

Explanation

An object in low Earth orbit needs to travel roughly 7,800 m/s sideways so that its fall around Earth matches the planet’s curvature. At 6,500 m/s, it is moving too slowly to stay in orbit and would eventually fall back toward Earth. Therefore, the best choice is “The object is not traveling fast enough to match Earth’s curvature.”

AI-written and checked against the verified answer.

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