Astronaut Brian leaves Earth in a spaceship at a speed of 0.280c relative to an observer on Earth. Brian is holding a pencil at an angle of 30.0° with the direction of travel, as seen by Brian. What angle does the pencil make with the direction of travel, as seen in the frame of reference of the observer?
A) 29.0°
B) 30.0°
C) 31.0°
D) 32.0°
E) 33.0°

Question

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The Answer of Astronaut Brian leaves Earth in a spaceship at a speed of 0.280c relative to an observer on Earth. Brian is holding a pencil at an angle of 30.0° with the direction of travel, as seen by Brian. What angle does the pencil make with the direction of travel, as seen in the frame of reference of the observer?
A) 29.0°
B) 30.0°
C) 31.0°
D) 32.0°
E) 33.0°

Astronaut Brian Leaves Earth in a Spaceship at a Speed