The front of a spacecraft forms a point (like the tip of a cone) with an interior opening angle of 60°. As the spacecraft increases speed relative to Earth, what happens to this angle as observed in the Earth frame?
A) It stays the same.
B) It decreases.
C) It increases.
D) It decreases only if the spacecraft is going to the left.
E) It decreases only if the spacecraft is going to the right.

Question

Quizplus · Accepted Answer

The Answer of The front of a spacecraft forms a point (like the tip of a cone) with an interior opening angle of 60°. As the spacecraft increases speed relative to Earth, what happens to this angle as observed in the Earth frame?
A) It stays the same.
B) It decreases.
C) It increases.
D) It decreases only if the spacecraft is going to the left.
E) It decreases only if the spacecraft is going to the right.

The Front of a Spacecraft Forms a Point (Like the Tip