Spaceships A and B are traveling directly toward each other at a speed 0.5c relative to the Earth, and each has a headlight aimed toward the other ship.

What value do technicians on ship B get by measuring the speed of the light emitted by ship A's headlight?

Answer choices

1).75c

2) 1.0c

3) 1.5c

4).5c

Question

Physics

Nathaniel Woodard

30 March, 23:39

Spaceships A and B are traveling directly toward each other at a speed 0.5c relative to the Earth, and each has a headlight aimed toward the other ship.

What value do technicians on ship B get by measuring the speed of the light emitted by ship A's headlight?

Answer choices

1).75c

2) 1.0c

3) 1.5c

4).5c

+5

Answers (1)

Know the Answer?

Kristina Cole · Answer 1

The answer is 2) 1.0c. Light will always propagate through a vacuum at the speed of light "c"; even when moving at a significant fraction of the speed of light, observers will still measure this as the speed of light and the difference is resultant of time dilation.

Spaceships A and B are traveling directly toward each other at a speed 0.5c relative to the Earth, and each has a headlight aimed toward the other ship.What value do technicians on ship B get by measuring the speed of the light emitted by ship A's headlight?Answer choices1).75c2) 1.0c3) 1.5c4).5c